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

Species in the genus Cynopotamus: [ 16 ] records

amazonum, Anacyrtus (Cynopotamus) Günther [A.] 1868:481 [Annals and Magazine of Natural History (Series 4) v. 1 (no. 6) (art. 56); ref. 1992] Xeberos, tributary of Río Huallaga, Amazon system, Dept. Loreto, Peru. Syntypes: BMNH 1867.6.13.69-70 (2). Also published in Günther (Sept.) 1868:246 [ref. 5756]. The correct spelling of this species is amazonum, a noun that does not decline (see note under Curimatus amazonum). •Valid as Cynopotamus amazonus (Günther 1868) -- (Menezes 1976:28 [ref. 7073], Ortega & Vari 1986:8 [ref. 9708], Menezes 1987:6 [ref. 8072], Britski et al. 1999:52 [ref. 24147], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], Barriga Salazar 2014:109 [ref. 35745], Sarmiento et al. 2014:184 [ref. 35004], DoNascimiento et al. 2017:47 [ref. 35633], Meza-Vargas et al. 2021:18 [ref. 39298], Chuctaya et al. 2022:20 [ref. 42137]). Current status: Valid as Cynopotamus amazonum (Günther 1868). Characidae: Characinae. Distribution: South America: Amazon River basin (Brazil, Ecuador, Colombia, Bolivia and Peru). IUCN (2023): Least Concern. Habitat: freshwater.

argenteum, Hydrocyon Valenciennes [A.] 1837:Pl. 9 (fig. 1) [Voyage dans l'Amérique méridionale; ref. 20720] Buenos Aires, Argentina. Holotype (unique): MNHN A-9846. Type catalog: Bertin 1948:23 [ref. 19577]. Name available from plate, description in Valenciennes 1847:9 [ref. 5010] as Hydrocyon argenteus. Pl. 9 was published in 1837. •Valid as Cynopotamus argenteus (Valenciennes 1837) (often seen as 1836) -- (Menezes 1976:23 [ref. 7073], Menezes 1987:6 [ref. 8072], Braga 1994:12 [ref. 27878], Gómez & Chebez 1996:48 [ref. 23791], Sverlij et al. 1998:14 [ref. 27632], Britski et al. 1999:52 [ref. 24147], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], López et al. 2003:18 [ref. 27366], Menni 2004:74 [ref. 28131], Menezes 2007:60 [ref. 29297], Mirande 2010:496 [ref. 31006], Litz & Koerber 2014:11 [ref. 33622], Sarmiento et al. 2014:184 [ref. 35004], Mirande & Koerber 2015:18 [ref. 35117], Bertaco et al. 2016:413 [ref. 34561], Nión et al. 2016:28 [ref. 35565] dated 1836, Koerber et al. 2017:28 [ref. 35267], Loureiro et al. 2023:56 [ref. 40506]). Current status: Valid as Cynopotamus argenteus (Valenciennes 1837). Characidae: Characinae. Distribution: South America: Paraguay, lower Paraná and Uruguay River basins (Argentina, Brazil, Bolivia, Paraguay and Uruguay). Habitat: freshwater.

atratoensis, Charax Eigenmann [C. H.] in Eigenmann & Ogle 1907:33, Fig. 8 [Proceedings of the United States National Museum v. 33 (no. 1556); ref. 1266] Truando, Colombia. Holotype: USNM 1664. Paratypes: USNM 306567 [ex USNM 1664] (1). Type catalog: Vari & Howe 1991:13 [ref. 19022]. •Valid as Cynopotamus atratoensis (Eigenmann 1907) -- (Menezes 1976:36 [ref. 7073], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], DoNascimiento et al. 2017:47 [ref. 35633]). Current status: Valid as Cynopotamus atratoensis (Eigenmann 1907). Characidae: Characinae. Distribution: Atrato and Sinu River basins, Colombia. Habitat: freshwater.

bipunctatus, Cynopotamus Pellegrin [J.] 1909:13 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 15 (no. 1); ref. 14396] Mouth of Río Suripa, Venezuela. Holotype (unique): MNHN 1898-0021. •Valid as Cynopotamus bipunctatus Pellegrin 1909 -- (Menezes 1976:31 [ref. 7073], Menezes 1987:7 [ref. 8072], Taphorn 1992:179 [ref. 23654], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], DoNascimiento et al. 2017:47 [ref. 35633], Urbano-Bonilla et al. 2018:88 [ref. 35773], Cortés Hernández et al. 2023:455 [ref. 40760]). Current status: Valid as Cynopotamus bipunctatus Pellegrin 1909. Characidae: Characinae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.

caliurus, Charax Eigenmann [C. H.] & Kennedy [C. H.] in Eigenmann, McAtee & Ward 1907:142, Pl. 43 (fig. 1) [Annals of the Carnegie Museum v. 4 (no. 2) (art. 7); ref. 1261] Laguna Pasito, Paraguay. Holotype (unique): CAS 15682 [ex IU 9969]. •Valid as Cynopotamus caliurus (Eigenmann & Kennedy 1907) -- (Menezes 1976:25 [ref. 7073], Menni 2004:74 [ref. 28131]). •Synonym of Cynopotamus argenteus (Valenciennes 1837) -- (Menezes 1987:7 [ref. 8072], Braga 1994:12 [ref. 27878] as calliurus, Britski et al. 1999:52 [ref. 24147], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:28 [ref. 35267]). Current status: Synonym of Cynopotamus argenteus (Valenciennes 1837). Characidae: Characinae. Habitat: freshwater.

essequibensis, Cynopotamus Eigenmann [C. H.] 1912:403 [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Potaro Landing, Guyana. Holotype: FMNH 53673 [ex CM 2146]. Paratypes: (8) BMNH 1911.10.31.437 (1), CAS 44219 [ex IU 12319] (2), FMNH 53674-75 (1, 3). Type catalog: Henn 1928:70 [ref. 12305], Ibarra & Stewart 1987:31 [ref. 12367]. •Valid as Cynopotamus essequibensis Eigenmann 1912 -- (Menezes 1976:30 [ref. 7073], Menezes 1987:8 [ref. 8072], Planquette et al. 1996:218 [ref. 22818], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], Borstein et al. 2022:16 [ref. 39507] as cf. essequibensis, Taphorn et al. 2022:14 [ref. 41297]). Current status: Valid as Cynopotamus essequibensis Eigenmann 1912. Characidae: Characinae. Distribution: South America: coastal drainages (Amapá/Brazil, Guyana, Suriname and French Guiana: Brazil, French Guiana, Guyana and Suriname). Habitat: freshwater.

gouldingi, Cynopotamus Menezes [N. A.] 1987:2, Fig. 1 [Beaufortia v. 37 (no. 1); ref. 8072] Rio Madeira at Calama, Territory of Rondônia, Brazil. Holotype: MZUSP 35474. Paratypes: MZUSP 34316 (26), USNM 278962 (5), ZMA 119460 (3). Type catalog: Oyakawa 1996:461 [ref. 23140]. •Valid as Cynopotamus gouldingi Menezes 1987 -- (Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], Sarmiento et al. 2014:184 [ref. 35004]). Current status: Valid as Cynopotamus gouldingi Menezes 1987. Characidae: Characinae. Distribution: Tocantins and Araguaia river basins, Brazil and Bolivia. Habitat: freshwater.

juruenae, Cynopotamus Menezes [N. A.] 1987:3, Fig. 2 [Beaufortia v. 37 (no. 1); ref. 8072] Upper Rio Juruena, Mato Grosso, Brazil. Holotype: MZUSP 35475. Paratypes: MZUSP 35476 (1); USNM 194279 (1), 194296 (1); ZMA 119461 (1). Type catalog: Vari & Howe 1991:19 [ref. 19022], Oyakawa 1996:461 [ref. 23140]. •Valid as Cynopotamus juruenae Menezes 1987 -- (Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297]). Current status: Valid as Cynopotamus juruenae Menezes 1987. Characidae: Characinae. Distribution: Juruena River basin, Brazil. Habitat: freshwater.

kincaidi, Cyrtocharax Schultz [L. P.] 1950:60 [Review of thirteen genera of South American fishes; ref. 12973] Paraguay. Holotype (unique): USNM 1694. Type catalog: Vari & Howe 1991:20 [ref. 19022]. •Valid as Cynopotamus kincaidi (Schultz 1950) -- (Menezes 1976:26 [ref. 7073], Menezes 1987:8 [ref. 8072], Braga 1994:10 [ref. 27878], Gómez & Chebez 1996:48 [ref. 23791], Britski et al. 1999:52 [ref. 24147], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], López et al. 2003:18 [ref. 27366], Menni 2004:74 [ref. 28131], Menezes 2007:60 [ref. 29297], Sarmiento et al. 2014:184 [ref. 35004], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:28 [ref. 35267], Reis et al. 2020:457 [ref. 38364], González-Bergonzoni et al. 2025:622 [ref. 42207]). Current status: Valid as Cynopotamus kincaidi (Schultz 1950). Characidae: Characinae. Distribution: South America: Paraguay and lower Paraná river basins (Argentina, Bolivia, Brazil, Paraguay and Uruguay). Habitat: freshwater.

limaesquamis, Anacrytus Cope [E. D.] 1878:686 [Proceedings of the American Philosophical Society v. 17 (no. 101); ref. 945] Pebas, Peru. Lectotype: ANSP 21460. Paralectotypes: ANSP 21461 (1). Type catalog: Böhlke 1984:49 [ref. 13621] as holotype and paratypes. Genus should have been spelled Anacyrtus. •Synonym of Cynopotamus amazonus (Günther 1868) -- (Menezes 1976:28 [ref. 7073], Menezes 1987:6 [ref. 8072], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061]). •Synonym of Cynopotamus amazonum (Günther 1868). Current status: Synonym of Cynopotamus amazonum (Günther 1868). Characidae: Characinae. Habitat: freshwater.

magdalenae, Anacyrtus (Cynopotamus) Steindachner [F.] 1879:78 [62], Pl. 12 (fig. 2) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 39; ref. 4227] Cienaga, Colombia. Syntypes: NMW 62501-02 (2, 2), 62504-05 (1, 2), 77769 (1). On p. 62 of separate. Available from figure, no description. •Valid as Cyrtocharax magdalenae (Steindachner 1879) -- (Galvis et al. 1997:47 [ref. 23651]). •Valid as Cynopotamus magdalenae (Steindachner 1879) -- (Menezes 1976:28 [ref. 7073], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], DoNascimiento et al. 2017:47 [ref. 35633]). Current status: Valid as Cynopotamus magdalenae (Steindachner 1879). Characidae: Characinae. Distribution: Magdalena and Cauca River basins, Colombia. Habitat: freshwater.

squamosus, Characinus Eigenmann [C. H.] & Kennedy [C. H.] 1903:525 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 55; ref. 1260] Laguna Pasito, Paraguay. Holotype (unique): CAS 27615 [ex IU 9961]. •Synonym of Cynopotamus argenteus (Valenciennes 1837) -- (Menezes 1976:24 [ref. 7073], Menezes 1987:7 [ref. 8072], Braga 1994:12 [ref. 27878], Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:28 [ref. 35267]). Current status: Synonym of Cynopotamus argenteus (Valenciennes 1837). Characidae: Characinae. Habitat: freshwater.

tocantinensis, Cynopotamus Menezes [N. A.] 1987:5, Fig. 3 [Beaufortia v. 37 (no. 1); ref. 8072] Igarapé Pojuca, Rio Itacaiunas, Serra dos Carajás, Pará, Brazil. Holotype: MZUSP 35492. Paratypes: MZUSP 10416-19 (1 ea.), 26542 (1), 26525 (1), 33435 (8), 34319 (14); USNM 278984 (5); ZMA 119462 (3). Type catalog: Vari & Howe 1991:19 [ref. 19022], Oyakawa 1996:461-462 [ref. 23140]. •Valid as Cynopotamus tocantinensis Menezes 1987 -- (Lucena & Menezes in Reis et al. 2003:202 [ref. 27061], Menezes 2007:60 [ref. 29297], Koerber et al. 2022:39 [ref. 39235]). Current status: Valid as Cynopotamus tocantinensis Menezes 1987. Characidae: Characinae. Distribution: South America: Tocantins and Araguaia River basins (Brazil). Habitat: freshwater.

venezuelae, Cyrtocharax magdalenae Schultz [L. P.] 1944:298, Fig. 37 [Proceedings of the United States National Museum v. 95 (no. 3181); ref. 3960] Río Negro below mouth of Río Yasa, Lake Maracaibo basin, Venezuela. Holotype: USNM 121390. Paratypes: USNM: 121391 (orig. 2, now 1), 121392-93 (1, 5), 121394 (orig. 4, now 3), 121395 (orig. 4, now 3), 121397-98 (2, 7); RMNH [ex USNM 121391] (1); ZMA 110436 (1) and 110438 (1) [ex USNM 121394]; MCZ 37303 [ex USNM 121395] (1); UMMZ 145027 [ex USNM 121396] (2). Type catalog: Nijssen et al. 1982:17 [ref. 19236], Vari & Howe 1991:20 [ref. 19022]. •Valid as Cynopotamus venezuelae (Schultz 1944) -- (Menezes 1976:34 [ref. 7073], Lucena & Menezes in Reis et al. 2003:203 [ref. 27061], Menezes 2007:60 [ref. 29297], DoNascimiento et al. 2017:47 [ref. 35633]). Current status: Valid as Cynopotamus venezuelae (Schultz 1944). Characidae: Characinae. Distribution: Lake Maracaibo basin, Venezuela and Colombia. Habitat: freshwater.

xinguano, Cynopotamus Menezes [N. A.] 2007:56, Fig. 1 [Zootaxa No. 1635; ref. 29297] Rio Culuene, 13°49'S, 53°15'W, Paranatinga, Mato Grosso State, Brazil. Holotype: MZUSP 94009. Paratypes: at ANSP and MZUSP. •Valid as Cynopotamus xinguano Menezes 2007. Current status: Valid as Cynopotamus xinguano Menezes 2007. Characidae: Characinae. Distribution: Tributaries of Xingu River basin, Brazil. Habitat: freshwater.

zettii, Cynopotamus Iriart [N. R.] 1979:4, Fig. 2 [Investigación Pesquera Continental, Contribución No. 1; ref. 27418] Riacho "Carrizal", Bella Vista, Corrientes, Argentina. Holotype: CIPBV 120. Paratypes: CIPBV 14, 104, 112-119, 121, 194, 201, 278, 283-286, 292. Spelled zetii in title and zettii in main heading and elsewhere; zettii is correct. •Synonym of Cynopotamus kincaidi (Schultz 1950) -- (Braga 1994:10 [ref. 27878], López et al. 2003:18 [ref. 27366], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:28 [ref. 35267]). Current status: Synonym of Cynopotamus kincaidi (Schultz 1950). Characidae: Characinae. Habitat: freshwater.