Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Anablepsoides: [ 71 ] records

adrianae, Rivulus Vermeulen [F. B. M.] 2022:6, Figs. 1-2, 4-5, 10 [Killi-Data Series 2022; ref. 39817] Sipaliwini River, a tributary of the Courantyne River, Sipaliwini District, southwest Suriname, 2°20'57.03"N, 56°47'8.75"W, elevation 218 meters. Holotype: NZCS F7105. Paratype: NZCS F7106 (7). Genus tentative. •Valid as Anablepsoides adrianae (Vermeulen 2022). Current status: Valid as Anablepsoides adrianae (Vermeulen 2022). Rivulidae: Rivulinae. Distribution: South America: Sipaliwini River drainage, Courantyne River basin, southwest Suriname. Habitat: freshwater.

amanan, Rivulus Costa [W. J. E. M.] & Lazzarotto [H.] 2008:130, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 19 (no. 2); ref. 29870] Pools at the floodplains of Igarapé do Baré, near Cano do Lago da Beleza, Lago Amanã system, Reserva de Desenvolvimento, Japurá-Solimões drainage, Rio Amazonas basin, 2°17.280'S, 64°41.635'W, Município de Maraã, Estado do Amazonas, Brazil. Holotype: UFRJ 6571. Paratypes: MNRJ 31908 (4, c&s); UFRJ 6572 (9), 6573 (6). •Valid as Anablepsoides amanan (Costa & Lazzarotto 2008) -- (Costa 2011:243 [ref. 31655], Nielsen & Veiga 2021:10 [ref. 38269]). Current status: Valid as Anablepsoides amanan (Costa & Lazzarotto 2008). Rivulidae: Rivulinae. Distribution: South America: Japurá-Solimões drainage, Amazon River basin, Brazil. Habitat: freshwater.

amphoreus, Rivulus Huber [J. H.] 1979:68, Figs. 4-6 [Revue française d'Aquariologie Herpétologie v. 6 (no. 3); ref. 8826] Vicinity of Tafelberg, zone of high hills up to 1000 meters in elevation, 120 kilometers south-southwest of Paramaribo, Suriname. Holotype: MNHN 1979-0286. Paratypes: MNHN 1979-0287 (2). •Valid as Rivulus amphoreus Huber 1979 -- (Huber 1992:96 [ref. 20639], Lazara 2001:270 [ref. 25711], Costa in Reis et al. 2003:534 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides amphoreus (Huber 1979) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:247 [ref. 34049]). Current status: Valid as Anablepsoides amphoreus (Huber 1979). Rivulidae: Rivulinae. Distribution: Atlantic River basins, Suriname. Habitat: freshwater.

atratus, Rivulus Garman [S.] 1895:140 [Memoirs of the Museum of Comparative Zoology v. 19 (pt 1); ref. 1538] Rio Jutahy, Amazonas, Brazil. Lectotype: MCZ 6318. Paralectotypes: MCZ 6268 (2), MCZ 98675 [ex MCZ 6318] (2). Lectotype established in Huber 1992:102 [ref. 20639]. •Probably a synonym of Rivulus ornatus Garman 1898 -- (Hrbek et al. 2004:569 [ref. 27910]). •Valid as Rivulus atratus Garman 1895 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:102 [ref. 20639], Lazara 2001:270 [ref. 25711], Costa in Reis et al. 2003:534 [ref. 27061], Costa 2003:176 [ref. 27578], Costa 2004:4 [ref. 27570], Costa 2004:11 [ref. 27656], Costa 2004:2 [ref. 27923], Costa 2006:147, 150 [ref. 28875] in subgenus Anablepsoides, Costa & Lazzarotto 2008:129 [ref. 29870], Schindler & Valdesalici 2011:113 [ref. 31382]). •Valid as Anablepsoides atratus (Garman 1895) -- (Costa 2011:243 [ref. 31655], DoNascimiento et al. 2017:101 [ref. 35633], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides atratus (Garman 1895). Rivulidae: Rivulinae. Distribution: South America: Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.

aurata, Rivulus urophthalmus var. Schreitmüller [W.] 1919:161, Fig. [Wochenschrift für Aquarien- und Terrarienkunde v. 16 (no. 11); ref. 31537] Maharankao [= Maranhão], Brazil/Peru or Cayenne, French Guyana? No types known. Referred to as a xanthic form in the original, an artificially bred variety. Also appeared in Schreitmüller 1928:88, Fig. 56 [ref. 20640] and 1929:57 [ref. 23865]. A species-group name based on a bred aquaristic variety (selected or hybrid ?) is not an available species name. •Incorrectly valid as Rivulus auratus Schreitmüller 1919 -- (Costa in Reis et al. 2003:534 [ref. 27061]). •In the synonymy of Rivulus urophthalmus Günther 1866 -- (Huber 1992:106 [ref. 20639], Lazara 2001:285 [ref. 25711], Costa 2006:139 [ref. 28875]). •In the synonymy of Anablepsoides urophthalmus (Günther 1866). Current status: Synonym of Anablepsoides urophthalmus (Günther 1866). Rivulidae: Rivulinae.

bahianus, Rivulus Huber [J. H.] 1990:14, Fig. 1 [Revue française d'Aquariologie Herpétologie v. 17 (no. 1); ref. 18931] Near Itapoa, vicinity of Salvador do Bahia International Airport, Bahia State, Brazil. Holotype: MNHN 1988-1172. Paratypes: MNHN 1988-1173 and 1174 (2, 19). •Valid as Rivulus bahianus Huber 1990 -- (Huber 1992:108 [ref. 20639], Lazara 2001:270 [ref. 25711], Costa in Reis et al. 2003:534 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2008:298 [ref. 30084]). •Valid as Anablepsoides bahianus (Huber 1999) -- (Costa 2011:243 [ref. 31655], Nielsen 2016:166 [ref. 34861], Silva et al. 2020:13 [ref. 37809]). Current status: Valid as Anablepsoides bahianus (Huber 1990). Rivulidae: Rivulinae. Distribution: South America: Atlantic coastal river basins (Brazil). Habitat: freshwater.

beniensis, Rivulus beniensis Myers [G. S.] 1927:133 [Bulletin of the Museum of Comparative Zoology v. 68 (no. 3); ref. 3096] Ivon, Río Beni, Bolivia. Lectotype: USNM 120432 [ex USNM 86766]. Paralectotypes: CAS 76353 [ex IU 17259] (?1), 76351 [ex IU 17258] (36); MCZ 31580 (8, now 6); UMMZ 66358 (11); USNM 120432 [ex MCZ 31580] (now 1), 86766 (5), 268121 (1), 167745 (5). Lectotype selected by Fels & Huber 1985:35 [ref. 8162] as USNM 86776 (26.4 mm). •Valid as Rivulus beniensis Myers 1927, subspecies beniensis Myers 1927 -- (Lazara 2001:270 [ref. 25711]). •Valid as Rivulus beniensis Myers 1927 -- (Fels & Huber 1985:33 [ref. 8162], Huber 1992:111 [ref. 20639], Costa in Reis et al. 2003:534 [ref. 27061], Costa 2006:150 [ref. 28875] in subgenus Benirivulus). •Valid as Anablepsoides beniensis (Myers 1927) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Sarmiento et al. 2014:187 [ref. 35004], Valdesalici & Gil 2017:17 [ref. 35110], Careaga et al. 2020:77 [ref. 37774], Drawert 2023:19 [ref. 40730]). Current status: Valid as Anablepsoides beniensis (Myers 1927). Rivulidae: Rivulinae. Distribution: South America: Madeira River basin (Bolivia and Brazil). Habitat: freshwater.

bibosi, Anablepsoides Valdesalici [S.] & Gil [J. R. G.] 2019:150, Figs. 1-2 [aqua, International Journal of Ichthyology v. 25 (no. 4); ref. 37074] Arroyo Bibosi, near Villa Tunari, Río Chapare drainage, Rio Mamoré basin, Provincia Tiraque, Departamento Cochabamba, Bolivia, 16°59'07.6"S, 65°24'23.2"W. Holotype: MSNG 61243. Paratypes: MSNG 61244 (2). •Valid as Anablepsoides bibosi Valdesalici & Gil 2019 -- (Drawert 2023:21 [ref. 40730]). Current status: Valid as Anablepsoides bibosi Valdesalici & Gil 2019. Rivulidae: Rivulinae. Distribution: South America: Río Chapare drainage, upper Amazon basin (central Bolivia). Habitat: freshwater.

bolivianus, Rivulus Seegers [L.] 1988:172, Figs. 1, 3 [Bonner Zoologische Beiträge v. 39 (nos 2-3); ref. 16282] Suarez lake, about 4 kilometers southeast of Trinidad, at Río Mamore mouth, 14°55'S, 64°55'W, Bolivia. Holotype: ZFMK 14602. Paratypes: ZFMK 14603-09 (7). Type catalog: Herder et al. 2010:125 [ref. 31087]. •Questionably valid as Rivulus bolivianus Seegers 1988 -- (Huber 1992:118 [ref. 20639]). •Valid as Rivulus bolivianus Seegers 1988 -- (Lazara 2001:271 [ref. 25711]). •Synonym of Rivulus beniensis Myers 1927 -- (Costa in Reis et al. 2003:534 [ref. 27061], Costa 2006:150 [ref. 28875]). •Synonym of Anablepsoides beniensis (Myers 1927). Current status: Synonym of Anablepsoides beniensis (Myers 1927). Rivulidae: Rivulinae. Habitat: freshwater.

bondi, Rivulus Schultz [L. P.] 1949:92, fig. 12 [Proceedings of the United States National Museum v. 99 (no. 3235); ref. 3967] Tributary to Río Guaire, La Florida, Caracas, Venezuela. Holotype: UMMZ 141914. Paratypes: MCUCV-V-7001 [ex UMMZ 141915] (10); UMMZ 141915 (111, 10 c&s), 141929 (9); USNM 122008 [ex UMMZ 141915] (15). Type catalog: Huber 1992 [ref. 20639], Provenzano et al. 1998:16 [ref. 24196]. •Synonym of Rivulus hartii (Boulenger 1890) -- (Huber 1992:125 [ref. 20639], Huber 1999:49 [ref. 23834], Lazara 2001:276 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061]). •Valid as Anablepsoides bondi (Schultz 1949) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:241 [ref. 34049]). •Synonym of Anablepsoides hartii (Boulenger 1890). Current status: Synonym of Anablepsoides hartii (Boulenger 1890). Rivulidae: Rivulinae. Habitat: freshwater, brackish.

cajariensis, Rivulus Costa [W. J. E. M.] & De Luca [A. C.] 2011:354, Fig. 1 [Ichthyological Exploration of Freshwaters v. 21 (no. 4) [Dec. 2010]; ref. 31193] Stream near Vila Cajari, upper Cajari River drainage, lower Amazon River basin, 0°34'23"S, 52°16'23"W, Estado do Amapá, northern Brazil, elevation 120 meters. Holotype: UFRJ 6771. Paratypes: UFRJ 6772 (1), 6773 (2, c&s). •Valid as Anablepsoides cajariensis (Costa & De Luca 2011) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:241 [ref. 34049]). Current status: Valid as Anablepsoides cajariensis (Costa & De Luca 2011). Rivulidae: Rivulinae. Distribution: Cajari River drainage, lower Amazon River basin, northern Brazil. Habitat: freshwater.

caurae, Rivulus Radda [A. C.] 2004:24, Fig. 2 [Annalen des Naturhistorischen Museums in Wien v. 105 B; ref. 27638] Rio Caura, 1 kilometer from the village of El Playon towards the waterfall (Raudal Pará), 6°18'N, 64°25'W, Bolivar, Venezuela. Holotype: NMW 94902. Paratypes: NMW 94903 (8). •Valid as Anablepsoides caurae (Radda 2004) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides caurae (Radda 2004). Rivulidae: Rivulinae. Distribution: Caura River, Venezuela. Habitat: freshwater.

cearensis, Rivulus Costa [W. J. E. M.] & Vono [V.] 2009:8, Fig. 1 [Ichthyological Exploration of Freshwaters v. 20 (no. 1); ref. 30258] Município de São Gonçalo do Amarante, Pelém, Ceará State, Brazil, 22°10'50"S, 41°23.41'W. Holotype: UFRJ 6636. Paratypes: UFRJ 6637 (4), 6638 (3). Plus non-type material. •Valid as Anablepsoides cearensis (Costa & Vono 2009) -- (Costa 2011:243 [ref. 31655], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides cearensis (Costa & Vono 2009). Rivulidae: Rivulinae. Distribution: São Gonçalo do Amarente, Ceará, northeastern Brazil. Habitat: freshwater.

chapare, Anablepsoides Valdesalici [S.] & Gil [J. R. G.] 2017:12, Figs. 1-2 [aqua, International Journal of Ichthyology v. 23 (no. 1); ref. 35110] Small pool near Isinuta, Isiboro River drainage, tributary of Río Mamoré, Departamento Cochabamba, Chapare Province, Bolivia, 16°44'09.8"S, 65°37'58.4"W. Holotype: CIRA 3272. Paratypes: MSNG. •Valid as Anablepsoides chapare Valdesalici & Gil 2017 -- (Valdesalici & Gil 2019:152 [ref. 37074], Drawert 2023:21 [ref. 40730]). Current status: Valid as Anablepsoides chapare Valdesalici & Gil 2017. Rivulidae: Rivulinae. Distribution: South America: Río Mamoré drainage, upper Amazon basin (Bolivia). Habitat: freshwater.

christinae, Rivulus Huber [J. H.] 1992:147, Fig. 36, Pl. 39c [Review of Rivulus: Ecobiogeography -- Relationships; ref. 20639] Lago Tupac Amaru tributary, near Puerto Maldonado, Madre de Dios River, Depto. Madre de Dios, Peru. Holotype: NRM 16547. Paratypes: NRM 14655 (1), 14700 (10). •Valid as Rivulus christinae Huber 1992 -- (Lazara 2001:272 [ref. 25711], Costa in Reis et al. 2003:535 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys). •Valid as Anablepsoides christinae (Huber 1992) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Valdesalici & Schindler 2013:299 [ref. 33109], Nielsen et al. 2016:76 [ref. 34406], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2017:17 [ref. 35110], Valdesalici & Gil 2019:152 [ref. 37074], Drawert 2023:37 [ref. 40330], Drawert 2023:22 [ref. 40730]). Current status: Valid as Anablepsoides christinae (Huber 1992). Rivulidae: Rivulinae. Distribution: South America: upper Amazon basin (Peru); Rio Beni (Bolivia). Habitat: freshwater.

collieri, Rivulus Huber [J. H.] 2021:4, Figs. 1-2 [Killi-Data Series 2021; ref. 38709] Isla Padre, a fluvial island in the Amazon River, just northeast of Iquitos, Maynas Province, Peru, 3.669S, 73.143W. Holotype: BMNH 1984.5.9.12. Paratypes: BMNH 1984.5.9.13-23 (11). Genus tentative. •Valid as Anablepsoides collieri (Huber 2021). Current status: Valid as Anablepsoides collieri (Huber 2021). Rivulidae: Rivulinae. Distribution: South America: middle Amazon River basin, Peru. Habitat: freshwater.

compressus, Rivulus Henn [A. W.] 1916:111, Pl. 18 (fig. 1) [Annals of the Carnegie Museum v. 10 (nos 1-2) (art. 9); ref. 2093] Manaus, Amazon River, Brazil [= 2 miles out of Manaos [Manaus], near mouth of rio Negro]. Holotype (unique): FMNH 57003 [ex CM 5819]. Type catalog: Henn 1928:86 [ref. 12305], Ibarra & Stewart 1987:76 [ref. 12367]. •Possible synonym of Rivulus micropus (Steindachner 1863) -- (Huber 1991:67 [ref. 19721]). •Status uncertain -- (Huber 1992:160 [ref. 20639]). •Valid as Rivulus compressus Henn 1916 -- (Costa in Reis et al. 2003:535 [ref. 27061], Hrbek et al. 2004:569 [ref. 27910]). •Synonym of Rivulus micropus (Steindachner 1863) -- (Lazara 2001:281 [ref. 25711], Costa 2006:145 [ref. 28875]). •Synonym of Anablepsoides micropus (Steindachner 1863). Current status: Synonym of Anablepsoides micropus (Steindachner 1863). Rivulidae: Rivulinae. Habitat: freshwater.

corpulentus, Rivulus Thomerson [J. E.] & Taphorn [D. C.] 1993:58, Fig. 1 [Ichthyological Exploration of Freshwaters v. 4 (no. 1); ref. 20829] Small stream on Cordilleria de La Macarena flowing west, Departamento de Meta, Colombia, 2°25'N, 73°52'W. Holotype: CAS-SU [not CAS] 69692. Paratypes: CAS-SU [not CAS] 53693 (14). •Valid as Rivulus corpulentus Thomerson & Taphorn 1993 -- (Lazara 2001:272 [ref. 25711], Costa in Reis et al. 2003:535 [ref. 27061], Costa 2006:152 [ref. 28875] in subgenus Laimosemion). •Valid as Laimosemion corpulentus (Thomerson & Taphorn 1993) -- (Costa 2011:239 [ref. 31655], DoNascimiento et al. 2017:101 [ref. 35633]). •Valid as Anablepsoides corpulentus (Thomerson & Taphorn 1993) -- (Valdesalici & Gil 2017:16 [ref. 35110]). Current status: Valid as Anablepsoides corpulentus (Thomerson & Taphorn 1993). Rivulidae: Rivulinae. Distribution: Orinoco River basin, Colombia. Habitat: freshwater.

cryptocallus, Rivulus Seegers [L.] & Huber [J. H.] 1981:160, Figs. 1-5 [Senckenbergiana Biologica v. 61 (nos 3/4) (for 1980); ref. 8548] Ravine Vilaine, Martinique Island, West Indies. Holotype: MNHN 1979-0666. Paratypes: MNHN 1979-0667 (8 or 7), 1980-1452 (8), 1980-1453 (4); SMF 15364-67 (4), 15368-71 (4), 15372-75 (4), 15376-79 (4), 15380-83 (4); ZMA 112485-88 (12, 8, 4, 4), 112497-98 (7, 1). Type catalog: Nijssen et al. 1982:71 [ref. 19236]. Appeared first as unavailable name in Seegers 1980:141 [ref. 23122]. •Valid as Rivulus cryptocallus Seegers & Huber 1981 -- (Huber 1992:164 [ref. 20639], Lazara 2001:273 [ref. 25711] with author Seegers 1980, Lim et al. 2002:78 [ref. 28310], Costa in Reis et al. 2003:535 [ref. 27061] Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides cryptocallus (Seegers & Huber 1981) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides cryptocallus (Seegers & Huber 1981). Rivulidae: Rivulinae. Distribution: River basins of Martinique Island, West Indies. Habitat: freshwater.

cryptocallus, Rivulus Seegers [L.] 1980:141, fig on p. 140 [Killifische. Eierlegende Zahnkarpfen im Aquarium; ref. 23122] Martinique Island, West Indies. Validly published by Seegers & Huber 1981:160, Figs. 1-5 [ref. 8548]. •In the synonymy of Anablepsoides cryptocallus (Seegers & Huber 1981). Current status: Synonym of Anablepsoides cryptocallus (Seegers & Huber 1981). Rivulidae: Rivulinae.

deltaphilus, Rivulus Seegers [L.] 1983:39, Figs. 1-6 [Senckenbergiana Biologica v. 63 (nos 1/2) (for 1982); ref. 8281] Between Tucupita (9°05'N, 62°03'W) and Barancas (8°42'N, 62°11'W), Orinoco Delta, Venezuela. Holotype: SMF 16394. Paratypes: SMF 16395-96 (1, 9). •Status uncertain -- (Huber 1992:176 [ref. 20639]). •Valid as Rivulus deltaphilus Seegers 1983 -- (Lazara 2001:274 [ref. 25711], Costa in Reis et al. 2003:535 [ref. 27061], Radda 2004:21 [ref. 27638], Lasso-Alcalá et al. 2006:27 [ref. 28774], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2010:84 [ref. 30788]). •Valid as Anablepsoides deltaphilus (Seegers 1983) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides deltaphilus (Seegers 1983). Rivulidae: Rivulinae. Distribution: Orinoco River basin, Venezuela. Habitat: freshwater.

derhami, Rivulus Fels [J. F.] & Huber [J. H.] 1985:33, Figs. 1-4 [Revue française d'Aquariologie Herpétologie v. 12 (no. 2); ref. 8162] In the area of Université d'Agronomie (Universidad Agraria) in Tingo Maria, central Peru, about 9°S, 75°55'W. Holotype: MNHN 1985-0577. Paratypes: MNHN 1985-0578 to 0582 (2, 9, 3, 4, 6); ZFMK 166-2071 to 2090 (20), 7813a (66). Type catalog: Herder et al. 2010:126 [ref. 31087]. •Valid as Rivulus derhami Fels & Huber 1985 -- (Huber 1992:181 [ref. 20639], Lazara 2001:274 [ref. 25711], Costa in Reis et al. 2003:535 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides derhami (Fels & Huber 1985) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides derhami (Fels & Huber 1985). Rivulidae: Rivulinae. Distribution: Amazon River basin, Peru. Habitat: freshwater.

elongatus, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] "Bosque Nacional Alexander von Humbolt", 8°42'S, 75°12'W, 86 kilometers from Pucallpa on Pucallpa-Tingo Maria Road, Peru. Holotype: MHNG 2079.63. Paratypes: MHNG 2079.64-67 (4), MNHN 1981-1270 (4). Type catalog: Weber 1998:11 [ref. 32707]. •Valid as Rivulus elongatus Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:193 [ref. 20639], Lazara 2001:274 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745]). •Valid as Anablepsoides elongatus (Fels & de Rham 1981) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Nielsen et al. 2016:70 [ref. 34406], Nielsen 2016:166 [ref. 34861], DoNascimiento et al. 2017:101 [ref. 35633], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides elongatus (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: Upper Amazon basin: Ecuador, Peru and Colombia. Habitat: freshwater.

erberi, Rivulus Berkenkamp [H. O.] 1989:211, Fig. [Das Aquarium, Zeitschrift für Aquarien- und Terrarienfreunde v. 23 (no 238); ref. 16217] 7 kilometers east of Coca (=Puerto Francisco de Orellana), near Río Napo, Napo Province, east Ecuador, 4°30'S, 76°54'W. Holotype: SMF 18432. Paratypes: MHNG 22281.04 (2), SMF 18433 (4), ZFMK 14820-22 (3). Type catalog: Huber 1992 [ref. 20639], Herder et al. 2010:126 [ref. 31087]. •Status uncertain -- (Huber 1992:196 [ref. 20639]). •Valid as Rivulus erberi Berkenkamp 1989 -- (Lazara 2001:274 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745] as erberl). •Valid as Anablepsoides erberi (Berkenkamp 1989) -- (Costa 2011:243 [ref. 31655] Valdesalici & Schindler 2013:296 [ref. 33109], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides erberi (Berkenkamp 1989). Rivulidae: Rivulinae. Distribution: Napo River drainage, upper Amazon basin, Ecuador. Habitat: freshwater.

falconi, Anablepsoides Nielsen [D. T. B.], Hoetmer [J. W.] & Vandenkerkhove [E.] 2023:299 [Zootaxa 5323 (no. 2); ref. 40342] Rio Tarauacá, upper Rio Juruá drainage, Amazon basin, Feijó, Acre, Brazil, 8°11'1.2"S, 70°30'15.3"W. Holotype: ZUEC 17362. Paratypes: ZUEC 17363 (2), 17364 (6). Appeared first in an unavailable publication, ref. 39105, p. 31, Figs. 4-5. •Valid as Anablepsoides falconi Nielsen, Hoetmer & Vandenkerkhove 2023. Current status: Valid as Anablepsoides falconi Nielsen, Hoetmer & Vandenkerkhove 2023. Rivulidae: Rivulinae. Distribution: South America: Rio Juruá drainage, Amazon basin, Brazil. Habitat: freshwater.

flava, Rivulus poeyi var. Brind [W. L.] 1915:40, Fig. [Domesticated fish; ref. 21099] No locality. •Synonym of Rivulus urophthalmus Günther 1866 -- (Lazara 2001:285 [ref. 25711]). •Synonym of Anablepsoides urophthalmus (Günther 1866). Current status: Synonym of Anablepsoides urophthalmus (Günther 1866). Rivulidae: Rivulinae. Habitat: freshwater.

fransvermeuleni, Anablepsoides Valdesalici [S.] 2015:242, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 26 (no. 3); ref. 34049] Upper Nickerie River drainage, western Suriname, 4°50'42"N, 56°50'54"W, elevation 130 meters. Holotype: NZCS F7092. Paratypes: RMNH ZMA. •Valid as Rivulus fransvermeuleni (Valdesalici 2015) -- (Vermeulen 2020:45 [ref. 37941]). •Valid as Anablepsoides fransvermeuleni Valdesalici 2015. Current status: Valid as Anablepsoides fransvermeuleni Valdesalici 2015. Rivulidae: Rivulinae. Distribution: Upper Nickerie drainage, western Suriname. Habitat: freshwater.

gamae, Anablepsoides Costa [W. J. E. M.], Bragança [P. H. N.] & Amorim [P. F.] 2013:290, Figs. 4c, 6 [Vertebrate Zoology v. 63 (no. 3); ref. 33108] Estado do Amapá: Município de Laranjal do Jari: stream tributary to Jari river, between Laranjal do Jari and Santo Antônio waterfall, Amazonas river basin, 0°45’55"S, 52°31’17"W, Brazil. Holotype: UFRJ 9606. Paratypes: IEPA 2755 (1); UFRJ 8840 (5), 8841 (4), 9607 (3 c&s) •Valid as Anablepsoides gamae Costa, Bragança & Amorim 2013 -- (Nielsen & Veiga 2021:10 [ref. 38269]). Current status: Valid as Anablepsoides gamae Costa, Bragança & Amorim 2013. Rivulidae: Rivulinae. Distribution: Lower Jari River basin, Amapá, Brazil. Habitat: freshwater.

gaucheri, Rivulus Keith [P.], Nandrin [L.] & Le Bail [P.-Y.] 2006:134, Fig. 2 [Cybium v. 30 (no. 2); ref. 28851] Mitaraka, marshes in Alama River (Litany basin), French Guiana, 2°17.295'N, 54°32.665"W, elevation 339 meters. Holotype: MNHN 2005-0171. Paratypes: MNHN 2002-0084 (2), 2002-0202 (1), 2002-3540 (7). Plus non-type material. •Valid as Anablepsoides gaucheri (Keith, Nandrin & Le Bail 2006) -- (Costa 2011:243 [ref. 31655], Brosse et al. 2019:134 [ref. 38320]). Current status: Valid as Anablepsoides gaucheri (Keith, Nandrin & Le Bail 2006). Rivulidae: Rivulinae. Distribution: Northern South America: upper Maroni basin (French Guiana). Habitat: freshwater.

hartii, Haplochilus Boulenger [G. A.] 1890:170 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 32) (art. 19); ref. 17026] Trinidad Island, West Indies. Lectotype: BMNH 1890.4.28.11. Paralectotypes: BMNH 1890.4.28.12-16 (5), 1890.6.12.11-18 (8); ?CAS (2, lost in 1906); MNHN 1890-0305 and 0306 (2); CAS-SU 1128 (1). Type catalog: Bertin & Estève 1950:19 [ref. 19576], Böhlke 1953:53 [ref. 12291], Huber 1992 [ref. 20639]. Lectotype selected by Huber 1992:227 [ref. 20639]. •Valid as Rivulus hartii/R. homiae complex -- (Ghedotti & Wiley 2003:1146 [ref. 27019]). •Valid as Rivulus hartii (Boulenger 1890) -- (Huber 1992:227 [ref. 20639], Huber 1999:49 [ref. 23834], Fuller et al. 1999:293 [ref. 25838], Lazara 2001:276 [ref. 25711], Radda 2004:21 [ref. 27638], Nelson et al. 2004:101 [ref. 27807], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Minckley & Marsh 2009:228 [ref. 31114] as harti, Costa & De Luca 2011:356 [ref. 31193], Page et al. 2013:103 [ref. 32708], Vermeulen 2020:45 [ref. 37941]). •Valid as Anablepsoides hartii (Boulenger 1890) -- (Costa 2011:243 [ref. 31655], Phillip et al. 2013:20 [ref. 32896], Valdesalici 2015:241 [ref. 34049]). Current status: Valid as Anablepsoides hartii (Boulenger 1890). Rivulidae: Rivulinae. Distribution: Caribbean coastal river drainages: Netherland Antilles, Trinidad and Tobago, and Venezuela. Introduced in Mexico. Habitat: freshwater, brackish.

henschelae, Anablepsoides Costa [W. J. E. M.], Bragança [P. H. N.] & Amorim [P. F.] 2013:287, Figs. 3, 4a [Vertebrate Zoology v. 63 (no. 3); ref. 33108] Estado de Roraima: Município de Rorainópolis: stream about 35 km W of Jundiá, road BR-431, Jauaperi river drainage, itself a part of the lower section of the Negro river drainage, Amazonas river basin, 0°13’45"S 60°59’30"W, Brazil. Holotype: UFRJ 9608. Paratypes: UFRJ 9609 (4), 9610 (3 c&s). •Valid as Anablepsoides henschelae Costa, Bragança & Amorim 2013 -- (Nielsen & Veiga 2021:10 [ref. 38269]). Current status: Valid as Anablepsoides henschelae Costa, Bragança & Amorim 2013. Rivulidae: Rivulinae. Distribution: South America: Jauaperi River drainage, Negro River basin, Brazil. Habitat: freshwater.

hoetmeri, Anablepsoides Nielsen [D. T. B.], Baptista [A. C., Jr.] & van den Berg [L.] 2016:71, Figs. 1-2 [aqua, International Journal of Ichthyology v. 22 (no. 2); ref. 34406] Estado do Acre, Porto Acre, rio Acre, tributary of the rio Purus, Amazon drainage, Brazil, 9°36'58'S, 67°32'43"W. Holotype: ZUEC 12540. Paratypes: ZUEC. Third author incorrectly written on the article. •Valid as Anablepsoides hoetmeri Nielsen, Baptista & van den Berg 2016 -- (Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2019:152 [ref. 37074], Nielsen et al. 2022:36 [ref. 39105]). Current status: Valid as Anablepsoides hoetmeri Nielsen, Baptista & van den Berg 2016. Rivulidae: Rivulinae. Distribution: Rio Purus drainage, Amazon basin, Brazil. Habitat: freshwater.

holmiae, Rivulus Eigenmann [C. H.] 1909:50 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Creek near Holmia, Guyana. Holotype: FMNH 53535 [ex CM 1076]. Paratypes: (17, CM and IU) BMNH 1911.10.31.532-533 (2); CAS 44217 [ex IU 12071] (4); FMNH 52711 (4) 7519 (1), 53535 (1); MCZ 29991 (1); NMW 75390 (1); CAS-SU 21777 (1); USNM 66302 (1); ZMB 18059 (1). Type catalog: Böhlke 1953:54 [ref. 12291], Paepke & Seegers 1986:169 [ref. 19981], Ibarra & Stewart 1987:76 [ref. 12367], Huber 1992:243 [ref. 20639]. •Valid as Rivulus hartii/R. homiae complex -- (Ghedotti & Wiley 2003:1146 [ref. 27019]). •Valid as Rivulus holmiae Eigenmann 1909 -- (Huber 1991:68 [ref. 19721], Huber 1992:243 [ref. 20639], Huber 1999:49 [ref. 23834], Lazara 2001:276 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061], Keith et al. 2006:137 [ref. 28851], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides holmiae (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:241 [ref. 34049]). Current status: Valid as Anablepsoides holmiae (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: Amazon River basin, Guyana. Habitat: freshwater.

igneus, Rivulus Huber [J. H.] 1991:68, Figs. 3a, 3c [Revue française d'Aquariologie Herpétologie v. 18 (no. 3); ref. 19721] Montagne des Singes, 5°10'N, 52°70'W. Holotype: MNHN 1989-1643. Paratypes: MNHN 1979-0647 (31), 1981-0241 (1), 1992-0945 [ex MNHN 1989-1643] (42); ZMA 102249 (2), 102251 (11), 102253-55 (16, 2, 1). •Valid as Rivulus igneus Huber 1991 -- (Huber 1992:248 [ref. 20639], Huber 1999:49 [ref. 23834], Keith et al. 2000:42 [ref. 24547], Lazara 2001:277 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061], Keith et al. 2006:137 [ref. 28851], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides igneus (Huber 1991) -- (Costa 2011:243 [ref. 31655], Valdesalici & Schindler 2013:296 [ref. 33109], Valdesalici 2015:241 [ref. 34049]). Current status: Valid as Anablepsoides igneus (Huber 1991). Rivulidae: Rivulinae. Distribution: South America: Oyapock River basin and adjacent coastal basins, Brazil and French Guiana. Habitat: freshwater.

immaculatus, Rivulus Thomerson [J. E.], Nico [L. G.] & Taphorn [D. C.] 1991:323 [Copeia 1991 (no. 2); ref. 19013] La Mejicana, between Ed Dorado and Sta. Elena de Uairen, Bolivar, Venezuela. Holotype: MBUCV-V-19092. Paratypes: CAS 69412 (2); FMNH 99282 (2), 99283 (4, c&s); MBUCV-V-3983 (42, not 33), V-20290 (1); MCNG 18987 (1), 21355 (6); ?MHNLS (10); USNM 308411 (2).Ferraris 2007:163 [ref. 29155] Type catalog: Lasso et al. 1997:48 [ref. 23639], Provenzano et al. 1998:16 [ref. 24196]. •Valid as Rivulus immaculatus Thomerson, Nico & Taphorn 1991 -- (Huber 1992:252 [ref. 20639], Huber 1999:49 [ref. 23834], Verneulen & Isbrücker 2000:189 [ref. 25219], Lazara 2001:277 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Radda 2004:21 [ref. 27638], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa & De Luca 2011:356 [ref. 31193]). •Valid as Anablepsoides immaculatus (Thomerson, Nico & Taphorn 1991) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:247 [ref. 34049]). Current status: Valid as Anablepsoides immaculatus (Thomerson, Nico & Taphorn 1991). Rivulidae: Rivulinae. Distribution: Amazon River basin, Venezuela. Habitat: freshwater.

intermittens, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] "Vivero Forestal El Varillal", 4°04'N, 73°27'W, 34 kilometers from Iquitos on Iquitos-Nauta Road, Peru. Holotype: MHNG 2079.33. Paratypes: MHNG 2079.34 to .45 (12), MNHN 1981-1265 to 1266 (1, 3). Type catalog: Weber 1998:11 [ref. 32707]. •Valid as Rivulus intermittens Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:258 [ref. 20639], Lazara 2001:277 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys). •Valid as Anablepsoides intermittens (Fels & de Rhamn 1981) -- (Costa 2011:243 [ref. 31655], Valdesalici & Gil 2019:152 [ref. 37074], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides intermittens (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: South America: upper Amazon basin (Peru). Habitat: freshwater.

iridescens, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] "Arboretum", 3 kilometers from Jenaro Herrera, on the way to Colonia Angamos, 4°53'S, 73°47'W, Peru. Holotype: MHNG 2079.57. Paratypes: MHNG 2079.58 to .62 (5), MNHN 1981-1269 (3). Type catalog: Weber 1998:12 [ref. 32707]. •Status uncertain -- (Huber 1992:261 [ref. 20639]). •Valid as Rivulus iridescens Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Lazara 2001:277 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys). •Valid as Anablepsoides iridescens (Fels & de Rham 1981) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides iridescens (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: Upper Amazon basin, Peru. Habitat: freshwater.

jari, Anablepsoides Costa [W. J. E. M.], Bragança [P. H. N.] & Amorim [P. F.] 2013:284, Fig. 1 [Vertebrate Zoology v. 63 (no. 3); ref. 33108] Estado do Amapá, Município de Laranjal do Jari, stream tributary of Jari river, lower Amazonas river basin, 0°45′55″S, 52°31′17″W, Brazil. Holotype: UFRJ 9569. Paratypes: UFRJ 8839 (1), 9570 (3); INPA 2244 (20). •Valid as Anablepsoides jari Costa, Bragança & Amorim 2013 -- (Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides jari Costa, Bragança & Amorim 2013. Rivulidae: Rivulinae. Distribution: Lower Jari River basin, Amapá, Brazil. Habitat: freshwater.

jucundus, Rivulus Huber [J. H.] 1992:273, Pl. 37 (figs. b-c) [Review of Rivulus: Ecobiogeography -- Relationships; ref. 20639] Río Pastaza, near Puyo, Pastaza dept., Ecuador, elevation 900-1000 meters. Holotype: MHNG 2532.90. Paratypes: UMMZ 203874 (3). •Valid as Rivulus jucundus Huber 1992 -- (Lazara 2001:278 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745]). •Valid as Anablepsoides jucundus (Huber 1992) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides jucundus (Huber 1992). Rivulidae: Rivulinae. Distribution: Amazon River basin, Ecuador. Habitat: freshwater.

katukina, Anablepsoides Nielsen [D. T. B.], Hoetmer [J. W.] & Vandenkerkhove [E.] 2023:298 [Zootaxa 5323 (no. 2); ref. 40342] Stream tributary of Igarapé Canela Fina, Rio Juruá drainage, Amazon basin, Acre State, Brazil, 07°30'51.8"S, 72°42'43.2"W. Holotype: ZUEC 17360. Paratypes: ZUEC 5583 (13), 13043 (11), 13044 (93), 17361 (8). Appeared first in an unavailable publication, ref. 39105, p. 29, Figs. 1-2. •Valid as Anablepsoides katukina Nielsen, Hoetmer & Vandenkerkhove 2023. Current status: Valid as Anablepsoides katukina Nielsen, Hoetmer & Vandenkerkhove 2023. Rivulidae: Rivulinae. Distribution: South America: Rio Juruá drainage, Amazon basin, Brazil. Habitat: freshwater.

lacustris, Rivulus beniensis Myers [G. S.] 1927:133 [Bulletin of the Museum of Comparative Zoology v. 68 (no. 3); ref. 3096] Lagoons along shores of Lake Rogoagua, Bolivia. Lectotype: UMMZ 66396. Paralectotypes: CAS 76351 (36) [=IU 17258, in part], MCZ 31581 (5), UMMZ 66396b (9), USNM 86812 (5). Type information: Huber 1992 [ref. 20639]. Lectotype selected in Fels & Huber 1985: [ref. 8162]. •Doubtfully valid -- (Huber 1992:277 [ref. 20639]). •Synonym of Rivulus beniensis Myers 1927, but a valid subspecies as described -- (Lazara 2001:270 [ref. 25711]). •Synonym of Rivulus beniensis Myers 1927 -- (Costa in Reis et al. 2003:534 [ref. 27061], Costa 2006:150 [ref. 28875]). •Synonym of Anablepsoides beniensis (Myers 1927). Current status: Synonym of Anablepsoides beniensis (Myers 1927). Rivulidae: Rivulinae. Habitat: freshwater.

lanceolatus, Rivulus Eigenmann [C. H.] 1909:51 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Rockstone, Guyana. Holotype (unique): FMNH 53537 [ex CM 1084]. Type catalog: Henn 1928:86 [ref. 12305], Ibarra & Stewart 1987:76 [ref. 12367]. Name available from features presented in key on p. 49. •Status uncertain -- (Huber 1992:279 [ref. 20639]). •Valid as Rivulus lanceolatus Eigenmann 1909 -- (Lazara 2001:278 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides lanceolatus (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides lanceolatus (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: Atlantic coastal river basins, Guyana. Habitat: freshwater.

limoncochae, Rivulus Hoedeman [J. J.] 1962:146, Fig. 2 [Beaufortia v. 9 (no. 103); ref. 5929] Limoncocha, Río Napo tributary, rivulet emptying into lagoon, Ecuador. Holotype: ZMA 100339a. Paratypes: ZMA 100339b (2), 101504 (22). Type catalog: Nijssen et al. 1982:71 [ref. 19236]. •Valid as Rivulus limoncochae Hoedeman 1962 -- (Ovchynnyk 1967:40 [ref. 37559], Huber 1992:286 [ref. 20639], Lazara 2001:278 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139, 165 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745]). •Valid as Anablepsoides limoncochae (Hoedeman 1962) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Valdesalici & Schindler 2013:296 [ref. 33109], Nielsen et al. 2016:76 [ref. 34406], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2017:16 [ref. 35110], see DoNascimiento et al. 2017:[30] [ref. 35679], Valdesalici & Gil 2019:152 [ref. 37074], Nielsen et al. 2022:36 [ref. 39105]). Current status: Valid as Anablepsoides limoncochae (Hoedeman 1962). Rivulidae: Rivulinae. Distribution: South America: upper Amazon basin (Ecuador) endemic. Habitat: freshwater.

lineasoppilatae, Anablepsoides Valdesalici [S.] & Schindler [I.] 2013:296, Figs. 1-2 [Vertebrate Zoology v. 63 (no. 3); ref. 33109] Departamento Puno, Rio San Gaban drainage (13°27′21.4″S, 70°24′36.5″W), Peru. Holotype: MUSM 46995. Paratypes: MTD F 33003 (1), MSNG 57426 (5). Plus non-type specimens. •Valid as Anablepsoides lineasoppilatae Valdesalici & Schindler 2013 -- (Nielsen et al. 2016:76 [ref. 34406], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides lineasoppilatae Valdesalici & Schindler 2013. Rivulidae: Rivulinae. Distribution: Rio San Gaban and Rio Araza drainages, upper Amazon basin, Peru. Habitat: freshwater.

luitalimae, Anablepsoides Nielsen [D. T. B.] 2016:167, Figs. 1-2 [aqua, International Journal of Ichthyology v. 22 (no. 4); ref. 34861] Stream tributary to rio Madeira, near Porto Velho airport, Porto Velho, Rondônia, Brazil, 8°43'31.40"S, 63°54'33.44"W, elevation 84 meters. Holotype: ZUEC 13006. Paratypes: ZUEC. •Valid as Anablepsoides luitalimae Nielsen 2016 -- (Valdesalici & Gil 2017:17 [ref. 35110], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides luitalimae Nielsen 2016. Rivulidae: Rivulinae. Distribution: Rio Madeira basin, Rondônia, Brazil. Habitat: freshwater.

lungi, Rivulus Berkenkamp [H. O.] 1984:14, Figs. 1-2 [Sondermitteilung Aquarienfreunde, Wilhelmshaven; ref. 19939] Southwest of Matoury, French Guiana, 4°54'N, 52°19'W. Holotype: SMF 18426. Paratypes: SMF 18428 (3). •Mention as Rivulus lungi Berkenkamp 1984 -- (Huber 1991:65 [ref. 19721]). •Doubtfully valid as Rivulus lungi Berkekamp 1984 -- (Huber 1992:294 [ref. 20639]). •Valid as Rivulus lungi Berkenkamp 1984 -- (Keith et al. 2000:28 [ref. 24547], Lazara 2001:279 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Keith et al. 2006:137 [ref. 28851], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2010:84 [ref. 30788]). •Valid as Anablepsoides lungi (Berkenkamp 1984) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides lungi (Berkenkamp 1984). Rivulidae: Rivulinae. Distribution: Atlantic coastal drainages, French Guiana. Habitat: freshwater, brackish.

mazaruni, Rivulus Myers [G. S.] 1924:1 [American Museum Novitates No. 129; ref. 15457] Mutusi Hole, Mazaruni River, Guyana. Holotype: AMNH 8346. Paratypes: AMNH 8347 (5). •Status uncertain -- (Huber 1992:314 [ref. 20639]). •Valid as Rivulus mazaruni Myers 1924 -- (Lazara 2001:280 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2010:84 [ref. 30788], Vermeulen 2022:15 [ref. 39817]). •Valid as Anablepsoides mazaruni (Myers 1924) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides mazaruni (Myers 1924). Rivulidae: Rivulinae. Distribution: Essequibo River basin, Guyana. Habitat: freshwater.

mejiai, Rivulus Vermeulen [F. B. M.] 2020:39, Figs. 2-3, 5-6 [Killi-Data Series 2020; ref. 37941] Steep mountain creek, affluent to Rio Unete, westerly from the town Aguazul, Meta River basin, Departamento Casanare, Colombia, 5°12'28"N, 72°37'40"W, elevation 556 meters. Holotype: IAVHP 13654. Paratypes: IAVHP 13655 (9). Genus tentative. •Valid as Anablepsoides mejiai (Vermeulen 2020). Current status: Valid as Anablepsoides mejiai (Vermeulen 2020). Rivulidae: Rivulinae. Distribution: South America: Rio Unete drainage, Meta River basin, eastern Cordillera slopes of the Colombian Andes, Departamento Casanare, Colombia. Habitat: freshwater.

micropus, Fundulus Steindachner [F.] 1863:184 [23] [Sitzungsberichte der Mathematisch-Naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften v. 48 (1. Abth.); ref. 4208] Rio Negro, Brazil. Holotype: NMW 77672. Paratypes if any: (none found). Type catalog: Huber 1992 [ref. 20639]. On p. 23 of separate. •Probably a synonym of Rivulus compressus Henn 1916 -- (Hrbek et al. 2004:569 [ref. 27910]). •Valid as Rivulus micropus (Steindachner 1863) -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1991:67 [ref. 19721], Huber 1992:317 [ref. 20639], Lazara 2001:281 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:145 [ref. 28875], Costa 2006:139, 145 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides micropus (Steindachner 1863) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides micropus (Steindachner 1863). Rivulidae: Rivulinae. Distribution: Middle Amazon River basin, Brazil. Habitat: freshwater.

monticola, Rivulus Staeck [W.] & Schindler [I.] 1997:372, Figs. 1-3 [Ichthyological Exploration of Freshwaters v. 7 (no. 4); ref. 22749] Small brook on eastern slopes of the Cordilleria de Allcuquiro, 2°39'N, 78°13'W, Moreno-Santiago Province, Ecuador. Holotype: ZMB 32681. Paratypes: ZMB 32682-83 (11, 1). •Valid as Rivulus monticola Staeck & Schindler 1997 -- (Lazara 2001:281 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745]). •Valid as Anablepsoides monticola (Staeck & Schindler 1997) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides monticola (Staeck & Schindler 1997). Rivulidae: Rivulinae. Distribution: Amazon River basin, Ecuador. Habitat: freshwater.

obscurus, Rivulus Garman [S.] 1895:140 [Memoirs of the Museum of Comparative Zoology v. 19 (pt 1); ref. 1538] Lago Hyanuary, Amazonas, Brazil. Lectotype: MCZ 6853. Paralectotypes: MCZ 98664 [ex MCZ 6853] (2). Lectotype selected in Huber 1992:336 [ref. 20639]. Rivulus ornatus and R. obscurus were described by Garman in the same publication; they are regarded as synonyms by some recent authors -- first reviser [Costa 1993] chose ornatus. •Valid as Rivulus obscurus Garman 1895 -- (Huber 1992:336 [ref. 20639], Lazara 2001:282 [ref. 25711], Hrbek et al. 2004:569 [ref. 27910], Vermeulen & Hrbek 2005:7 [ref. 28142]). •Synonym of Rivulus ornatus Garman 1895 -- (Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:147 [ref. 28875], Costa & Lazzarotto 2008:130 [ref. 29870]). •Synonym of Anablepsoides ornatus (Garman 1895) Current status: Synonym of Anablepsoides ornatus (Garman 1895). Rivulidae: Rivulinae. Distribution: South America: Middle Amazon River basin, Brazil [if valid]. Habitat: freshwater.

ophiomimus, Rivulus Huber [J. H.] 1992:344, Pl. 3 (d); Fig. 66 [Review of Rivulus: Ecobiogeography -- Relationships; ref. 20639] Río Putumayo basin, El Estrecho, Fundo Alvarez, Quebradita, northern Peru. Holotype: NRM 16550. Paratypes: MNHN 1991-6861 (6); NRM 14657 (3), 15269 (63, now 56). •Valid as Rivulus ophiomimus Huber 1992 -- (Huber 1999:49 [ref. 23834], Lazara 2001:282 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa & De Luca 2011:356 [ref. 31193]). •Valid as Anablepsoides ophiomimus (Huber 1992) -- (Costa 2011:243 [ref. 31655], DoNascimiento et al. 2017:101 [ref. 35633], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides ophiomimus (Huber 1992). Rivulidae: Rivulinae. Distribution: South America: Amazon River basin (Colombia and Peru). Habitat: freshwater.

origuelai, Anablepsoides Nielsen [D. T. B.] & Veiga [R. P.] 2021:6, Figs. 1-2, 4 [aqua, International Journal of Ichthyology v. 27 (no. 1); ref. 38269] Igarapé do Juá, Rio Tapajós drainage, Santarém, Pará State, Brazil, 2°26'41"S, 54°47'20"W. Holotype: ZUEC 17329. Paratypes: ZUEC 17330 (20). •Valid as Anablepsoides origuelai Nielsen & Veiga 2021 -- (Nielsen & Veiga 2023:293 [ref. 40334]). Current status: Valid as Anablepsoides origuelai Nielsen & Veiga 2021. Rivulidae: Rivulinae. Distribution: South America: lower Rio Tapajós drainage (Pará State, Brazil). Habitat: freshwater.

ornatus, Rivulus Garman [S.] 1895:139 [Memoirs of the Museum of Comparative Zoology v. 19 (pt 1); ref. 1538] Lago Aleixo, Codajás, Silves, Amazonas, Brazil. Lectotype: MCZ 6266. Paralectotypes: MCZ 6336 (1), 6854 (4). Lectotype selected in Huber 1992:347 [ref. 20639]. Type locality from Costa & Lazzarotto 2008:129 [ref. 29870]. •Synonym of Rivulus obscurus Garman 1895 -- (Hrbek et al. 2004:569 [ref. 27910]). •Valid as Rivulus ornatus Garman 1895 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:347 [ref. 20639], Lazara 2001:282 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2003:176 [ref. 27578], Costa 2004:4 [ref. 27570], Costa 2004:11 [ref. 27656], Costa 2004:2 [ref. 27923], Costa 2006:147 [ref. 28875] in subgenus Anablepsoides, Costa & Lazzarotto 2008:129 [ref. 29870], Schindler & Valdesalici 2011:113 [ref. 31382], Huber 2021:9 [ref. 38709]). •Valid as Anablepsoides ornatus (Garman 1895) -- (Costa 2011:243 [ref. 31655], DoNascimiento et al. 2017:101 [ref. 35633], Nielsen & Veiga 2021:10 [ref. 38269], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides ornatus (Garman 1895). Rivulidae: Rivulinae. Distribution: South America: Amazon River basin (Brazil and Peru). Habitat: freshwater.

ottonii, Anablepsoides Costa [W. J. E. M.], Bragança [P. H. N.] & Amorim [P. F.] 2013:289, Figs. 4b,5 [Vertebrate Zoology v. 63 (no. 3); ref. 33108] Estado do Amazonas, Município de Barcelos, Igarapé do Cajarazinho, a stream near the village of Balaio, a tributary of the Caurés river, Negro river drainage, Amazonas river basin, 1°06′ 17″S ,62°58’42″ W, Brazil. Holotype: UFRJ 9612. Paratypes: UFRJ 9613 (31), 9614 (4), 9615 (4). •Valid as Anablepsoides ottonii Costa, Bragança & Amorim 2013 -- (Nielsen & Veiga 2021:10 [ref. 38269]). Current status: Valid as Anablepsoides ottonii Costa, Bragança & Amorim 2013. Rivulidae: Rivulinae. Distribution: South America: Caurés River drainage, Negro River basin, Brazil. Habitat: freshwater.

parlettei, Rivulus Valdesalici [S.] & Schindler [I.] 2011:314, Figs. 1-2 [Vertebrate Zoology v. 61 (no. 3); ref. 31673] Río Inambari system, río Araza drainage, 13.313°S, 70.803°W, Departamento Cusco, Peru, elevation ca. 820 meters. Holotype: MUSM 39906. Paratypes: MSNG 56048A (1), 56048B (1), 56048C (1); MTD 32437 (1); USNM 399459 (1). •Valid as Anablepsoides parlettei (Valdesalici & Schindler 2011) -- (based on recognition of Anablepsoides as a valid genus by Costa 2011:242 [ref. 31655], Costa 2013:346 [ref. 32528], Valdesalici & Schindler 2013:296 [ref. 33109], Nielsen et al. 2016:76 [ref. 34406], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides parlettei (Valdesalici & Schindler 2011). Rivulidae: Rivulinae. Distribution: Río Araza drainage, upper Amazon basin, southeastern Peru. Habitat: freshwater.

peruanus, Haplochilus Regan [C. T.] 1903:626 [Annals and Magazine of Natural History (Series 7) v. 12 (no. 72) (art. 64); ref. 13401] Perim, Peru, elevation 800 meters. Lectotype: BMNH 1903.11.5.2. Paralectotypes: BMNH 1903.11.5.3 (1). Type catalog: Huber 1992 [ref. 20639]. Lectotype selected in Huber 1992:355 [ref. 20639]. •Valid as Rivulus peruanus (Regan 1903) -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:355 [ref. 20639], Lazara 2001:282 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides peruanus (Regan 1903)-- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides peruanus (Regan 1903). Rivulidae: Rivulinae. Distribution: Amazon River basin, Peru. Habitat: freshwater.

poeyi, Rivulus Steindachner [F.] 1876:165 [117] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4225] [Original] Canal at Belém, Pará, Brazil; Cayenne, French Guiana. Neotype locality Belém, Brazil. Neotype: UFR 6282. Syntypes (?): (several) NMW 59608 (2). On p. 117 of separate. Neotype designated by Costa 2006:139, 165 [ref. 28875] without mention of possible syntypes at NNW. •Synonym of Rivulus urophthalmus Günther 1866 -- (Huber 1991:65 [ref. 19721], Huber 1992:364 [ref. 20639], Lazara 2001:285 [ref. 25711], Costa in Reis et al. 2003:540 [ref. 27061], Costa 2006:139 [ref. 28875]). •Synonym of Anablepsoides urophthalmus (Günther 1866). Current status: Synonym of Anablepsoides urophthalmus (Günther 1866). Rivulidae: Rivulinae. Habitat: freshwater.

roraima, Anablepsoides Costa [W. J. E. M.], Bragança [P. H. N.] & Amorim [P. F.] 2013:286, Fig. 2 [Vertebrate Zoology v. 63 (no. 3); ref. 33108] Estado de Roraima, Município de Bonfim, stream 87 km NE of Boa Vista, road BR-401, Tacutu river drainage, part of Branco river drainage, middle Amazonas river basin, Brazil, 3°15′39″N, 60°04′ 57"W. Holotype: UFRJ 9571. Paratypes: UFRJ 9572 (5), 9573 (14). Plus additional non-type material. •Valid as Anablepsoides roraima Costa, Bragança & Amorim 2013. Current status: Valid as Anablepsoides roraima Costa, Bragança & Amorim 2013. Rivulidae: Rivulinae. Distribution: Tacutu River drainage, Brazil. Habitat: freshwater.

rubrolineatus, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] 14 kilometers from Jenaro Herrera, on the way to Colonia Angamos, 4°53'S, 73°41'W, Peru. Holotype: MHNG 2079.46. Paratypes: MHNG 2079.47 to .56 (10), MNHN 1981-1267 (2) and 1268 (8). Type catalog: Weber 1998:12 [ref. 32707]. •Doubtfully valid as Rivulus rubrolineatus Fels & de Rham 1981 -- (Huber 1992:391 [ref. 20639]). •Valid as Rivulus rubrolineatus Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Lazara 2001:283 [ref. 25711], Costa 2006:139, 165 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys, Barriga Salazar 2014:117 [ref. 35745]). •Valid as Anablepsoides rubrolineatus (Fels & de Rham 1981) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Valdesalici & Schindler 2013:296 [ref. 33109], Nielsen et al. 2016:70 [ref. 34406], Nielsen 2016:166 [ref. 34861], DoNascimiento et al. 2017:101 [ref. 35633], Valdesalici & Gil 2019:152 [ref. 37074], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides rubrolineatus (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: South America: upper Amazon basin (Colombia, Ecuador and Peru). Habitat: freshwater.

speciosus, Rivulus Fels [J. F.] & de Rham [P.] 1981:66, Fig. [Revue française d'Aquariologie Herpétologie v. 8 (no. 3); ref. 8607] Quisto Cocha, 3°56'S, 72°24'W, 18 kilometers from Iquitos on Iquitos-Nauta Road, Peru. Holotype: MHNG 2079.68. Paratypes: MHNG 2079.69 to .76 (8), MNHN 1981-1271 (3). Type catalog: Weber 1998:12 [ref. 32707]. •Valid as Rivulus speciosus Fels & de Rham 1981 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1992:403 [ref. 20639], Lazara 2001:284 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Huber 2021:9 [ref. 38709]). •Valid as Anablepsoides speciosus (Fels & de Rham 1981) -- (Costa 2011:243 [ref. 31655], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Anablepsoides speciosus (Fels & de Rham 1981). Rivulidae: Rivulinae. Distribution: South America: middle Amazon River basin (Peru). Habitat: freshwater.

stagnatus, Rivulus Eigenmann [C. H.] 1909:50 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Christianburg, Guyana. Holotype: FMNH 52715 [ex CM 1082]. Paratypes: (19, CM and IU) BMNH 1911.10.31.536 (2); CAS 44228 [ex IU 11761] (3), 44228 (1, dessicated, not found); FMNH 7558 (1), 52716 (4); MCZ 29990 (1); NMW 83154 (1); CAS-SU 21971 (1); USNM 66303 (1); ZMB 18100 (1). Type catalog: Henn 1928:86 [ref. 12305], Böhlke 1953:54 [ref. 12291], Paepke & Seegers 1986:169 [ref. 19981], Ibarra & Stewart 1987:76 [ref. 12367]. •Valid as Rivulus stagnatus Eigenmann 1909 -- (Huber 1992:406 [ref. 20639], Murphy & Collier 1997:797 [ref. 25585], Lazara 2001:284 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Suijker & Collier 2006:2 [ref. 28729], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa 2010:84 [ref. 30788], Vermeulen 2022:13 [ref. 39817]). •Valid as Anablepsoides stagnatus (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides stagnatus (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: Atlantic coastal river basins: Guyana and Suriname. Habitat: freshwater.

taeniatus, Rivulus Fowler [H. W.] 1945:129, Figs. 44-45 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 97; ref. 1454] Río Caquetá drainage, Morelia, Colombia [probably Bodoquero River, near the town of Morelia]. Holotype: ANSP 71720. Paratypes: ANSP 71721 (1, bisected). Type catalog: Böhlke 1984:97 [ref. 13621]. •Status uncertain -- (Huber 1992:421 [ref. 20639]). •Valid as Rivulus taeniatus Fowler 1945 -- (Lazara 2001:284 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139, 143, 165 [ref. 28875] in subgenus Cynodonichthys, Valdesalici & Schindler 2011:313 [ref. 31673] in subgenus Cynodonichthys). •Valid as Anablepsoides taeniatus (Fowler 1945) -- (Costa 2011:243 [ref. 31655], Costa 2013:346 [ref. 32528], Valdesalici & Schindler 2013:296 [ref. 33109], Nielsen et al. 2016:77 [ref. 34406], Nielsen 2016:166 [ref. 34861], DoNascimiento et al. 2017:101 [ref. 35633], Valdesalici & Gil 2019:152 [ref. 37074], Nielsen et al. 2022:35 [ref. 39105]). Current status: Valid as Anablepsoides taeniatus (Fowler 1945). Rivulidae: Rivulinae. Distribution: Upper Amazon basin, Colombia. Habitat: freshwater.

tessellatus, Rivulus Huber [J. H.] 1992:433, Figs. 82 a-b [Review of Rivulus: Ecobiogeography -- Relationships; ref. 20639] Hacienda Mozambique, western tip of Lake Mozambique, east side Hacienda Humacita, Meta, Colombia. Holotype: ANSP 139468. Paratypes: ANSP 168979 (6). •Valid as Rivulus tessellatus Huber 1992 -- (Lazara 2001:285 [ref. 25711], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides tessellatus (Huber 1992) -- (Costa 2011:243 [ref. 31655], DoNascimiento et al. 2017:101 [ref. 35633]). Current status: Valid as Anablepsoides tessellatus (Huber 1992). Rivulidae: Rivulinae. Distribution: Orinoco River basin, Colombia. Habitat: freshwater.

tocantinensis, Rivulus Costa [W. J. E. M.] 2010:81, Fig. 1 [Ichthyological Exploration of Freshwaters v. 21 (no. 1); ref. 30788] Stream 4 kilometers from city of Sampaio, floodplains of left bank of Tocantins River, 5°23'00"S, 47°51'41"W, Município de Sampaio, Estado de Tocantins, Brazil. Holotype: UFRJ 6676. Paratypes: UFRJ 6584 (11), 6585 (4), 6683 (4), 6685 (1). •Valid as Anablepsoides tocantinensis (Costa 2010) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides tocantinensis (Costa 2010). Rivulidae: Rivulinae. Distribution: Floodbank of Tocantins River, near Sampaio, Brazil. Habitat: freshwater.

urophthalmus, Rivulus Günther [A.] 1866:327 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Belém, Pará, Brazil. Lectotype: BMNH 1851.12.26.16. Paralectotypes: (at least 3) BMNH 1851.12.26.17-18 (2). Lectotype selected by Huber 1991:67 [ref. 19721]. •Valid as Rivulus urophthalmus Günther 1866 -- (Ortega & Vari 1986:19 [ref. 9708], Huber 1991:67 [ref. 19721], Huber 1992: [ref. 20639], Lazara 2001:285 [ref. 25711], Costa in Reis et al. 2003:540 [ref. 27061], Vermeulen & Hrbek 2005:7 [ref. 28142], Costa 2006:139 [ref. 28875] in subgenus Cynodonichtyes, Costa & Vono 2009:7 [ref. 30258], Costa 2010:84 [ref. 30788], Barriga Salazar 2014:117 [ref. 35745] as cf. urophthalmus). •Valid as Anablepsoides urophthalmus (Günther 1866) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861], see DoNascimiento et al. 2017:[30] [ref. 35679], Meza-Vargas et al. 2021:27 [ref. 39298], Koerber et al. 2022:75 [ref. 39235]). Current status: Valid as Anablepsoides urophthalmus (Günther 1866). Rivulidae: Rivulinae. Distribution: South America: Amazon River basin (Brazil, ?Ecuador and Peru). Habitat: freshwater.

urubuiensis, Anablepsoides Costa [W. J. E. M.] 2013:346, Fig. 1 [Ichthyological Exploration of Freshwaters v. 23 (no. 4) (for 2012); ref. 32528] Creek adjacent to Urubuí River, 2°02'44"S, 60°01'43"W, Amazonas, Brazil. Holotype: UFRJ 6770. Paratypes: UFRJ 6245 (22), 6246 (4). •Valid as Anablepsoides urubuiensis Costa 2013 -- (Valdesalici & Schindler 2013:296 [ref. 33109], Nielsen et al. 2016:76 [ref. 34406], Nielsen 2016:166 [ref. 34861], Valdesalici & Gil 2019:152 [ref. 37074]). Current status: Valid as Anablepsoides urubuiensis Costa 2013. Rivulidae: Rivulinae. Distribution: Urubuí river drainage, Amazon basin, Brazil. Habitat: freshwater.

vieirai, Anablepsoides Nielsen [D. T. B.] 2016:170, Figs. 4-5 [aqua, International Journal of Ichthyology v. 22 (no. 4); ref. 34861] Spring Riacho Joana, rio Parnaíba basin, Duque Bacelar, Maranhão, Brazil, 4°07'35.46"S, 42°58'48.76"W, elevation 61 meters. Holotype: ZUEC 13008. Paratypes: ZUEC. •Valid as Anablepsoides vieirai Nielsen 2016 -- (Koerber et al. 2022:75 [ref. 39235], Vieira et al. 2023:19 [ref. 40759]). Current status: Valid as Anablepsoides vieirai Nielsen 2016. Rivulidae: Rivulinae. Distribution: South America: Rio Parnaíba basin (Maranhão, Brazil). Habitat: freshwater.

waimacui, Rivulus Eigenmann [C. H.] 1909:50 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Shrimp Creek, Potaro River basin, Guyana. Holotype: FMNH 53536 [ex CM 1078]. Paratypes: (14, CM and IU) BMNH 1911.10.31.534-535 (2); CAS 76312 [ex IU 11760] (5); FMNH 7520 (1), 52712-14 (2, 1, 1); MCZ 29992 (1); ZMB 18060 (1). Type catalog: Henn 1928:86 [ref. 12305], Paepke & Seegers 1986:169 [ref. 19981], Ibarra & Stewart 1987:76 [ref. 1236]. •Valid as Rivulus waimacui Eigenmann 1909 -- (Huber 1992:451 [ref. 20639], Huber 1999:49 [ref. 23834], Lazara 2001:286 [ref. 25711], Costa in Reis et al. 2003:540 [ref. 27061], Suijker & Collier 2006:2 [ref. 28729], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Costa & De Luca 2011:356 [ref. 31193]). •Valid as Anablepsoides waimacui (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655], Valdesalici 2015:247 [ref. 34049]). Current status: Valid as Anablepsoides waimacui (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: Amazon River basin, Guyana. Habitat: freshwater.

xanthonotus, Rivulus Ahl [E.] 1926:315 [3] [Blätter für Aquarien- und Terrarienkunde v. 37 (no. 13); ref. 19991] Amazonas. Lectotype: ZMB 21168. Paralectotypes: ZMB 31425 [ex ZMB 21168] (1). Type catalog: Paepke & Seegers 1986:169 [ref. 19981]. On p. 3 of separate. Lectotype selected by Seegers in Paepke & Seegers 1986:169 [ref. 19981]. Types mentioned: Paepke 1995:94 [ref. 21847]. •Possible synonym of Rivulus micropus (Steindachner 1863) -- (Huber 1991:67 [ref. 19721]). •Status uncertain -- (Huber 1992:458 [ref. 20639]). •Valid as Rivulus xanthonotus Ahl 1926 -- (Lazara 2001:286 [ref. 25711], Costa in Reis et al. 2003:540 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys, Vermeulen 2022:15 [ref. 39817]). •Valid as Anablepsoides xanthonotus (Ahl 1926) -- (Costa 2011:243 [ref. 31655]). Current status: Valid as Anablepsoides xanthonotus (Ahl 1926). Rivulidae: Rivulinae. Distribution: Amazon River basin, Brazil. Habitat: freshwater.

xinguensis, Rivulus Costa [W. J. E. M.] 2010:83, Fig. 2 [Ichthyological Exploration of Freshwaters v. 21 (no. 1); ref. 30788] Swamp close to left back of Xingu River, near Altamira, 3°11'59"S, 52°11'50"W, Município de Altamira, Estado do Pará, Brazil. Holotype: UFRJ 6686. Paratypes: UFRJ 6263 (7), 6264 (1), 6266 (2, c&s). •Valid as Anablepsoides xinguensis (Costa 2010) -- (Costa 2011:243 [ref. 31655], Costa et al. 2013:292 [ref. 33108], Nielsen 2016:166 [ref. 34861]). Current status: Valid as Anablepsoides xinguensis (Costa 2010). Rivulidae: Rivulinae. Distribution: Left bank of Xingu River, near Altamira, Brazil. Habitat: freshwater.