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

Species in the genus Apteronotus: [ 34 ] records

acidops, Apteronotus Triques [M. L.] 2011:300, Figs. 1-2 [Vertebrate Zoology v. 61 (no. 3); ref. 31671] Rio Paraná at Ilha Solteira, 20°30'S, 51°00'W, between states of São Paula and Mato Grosso do Sul, Brazil. Holotype: MZUSP 45685. Paratypes: MZUSP 2646 (1), 22944 (1), 23094 (9, 1 c&s), 24463 (11); DZUFMG 040 (1). Plus 2 non-type specimens. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Valid as Apteronotus acidops Triques 2011 -- (Ferraris et al. 2017:[6] [ref. 35236], dos Reis et al. 2020:463 [ref. 38364]). Current status: Valid as Apteronotus acidops Triques 2011. Apteronotidae: Apteronotinae. Distribution: South America: upper Paraná River basin (Brazil). Habitat: freshwater.

albertoi, Apteronotus Peixoto [L. A. W.], Dutra [G. M.], Datovo [A.], Menezes [N. A.] & de Santana [C. D.] 2021:1003, Figs. 1-2 [Ichthyology & Herpetology v. 109 (no. 4); ref. 38726] Uatumã River at Cachoeira do Miriti, Amazon basin, Presidente Figueiredo, Amazonas, Brazil, about 2°01'S, 59°28'W. Holotype: INPA 16149. Paratypes: INPA 59635 (4), MZUSP 125829 (1). •Valid as Apteronotus albertoi Peixoto, Dutra, Datovo, Menezes & de Santana 2021. Current status: Valid as Apteronotus albertoi Peixoto, Dutra, Datovo, Menezes & de Santana 2021. Apteronotidae: Apteronotinae. Distribution: South America: Uatumã River drainage, Amazon basin, Amazonas, Brazil. Habitat: freshwater.

albifrons, Gymnotus Linnaeus [C.] 1766:428 [Systema naturae sive regna tria naturae v. 1 (pt 1); ref. 2786] Suriname. No types known. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Valid as Apteronotus albifrons (Linnaeus 1766) -- (Ovchynnyk 1967:33 [ref. 37559], Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:28 [ref. 21320], Planquette et al. 1996:404 [ref. 22818], Albert & Campos-da-Paz 1998:430 [ref. 23853], Albert & Campos-da-Paz 1998:431 [ref. 23853], Britski et al. 1999:90 [ref. 24147], Albert 2001:109 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], López et al. 2003:66 [ref. 27366], Menni 2004:85 [ref. 28131], de Santana & Crampton 2006:115 [ref. 28765], de Santana & Lehmann A. 2006:261 [ref. 28847], de Santana et al. 2006:277 [ref. 28848], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053] also as cf. albifrons on p. 290, Barriga Salazar 2014:116 [ref. 35745], Litz & Koerber 2014:28 [ref. 33622], Sarmiento et al. 2014:188 [ref. 35004], Ivanyisky & Albert 2014:579 [ref. 35449], Mirande & Koerber 2015:47 [ref. 35117], de Santana & Vari 2015:592 [ref. 32777], Nión et al. 2016:35 [ref. 35565] dated 1758, Ferraris et al. 2017:[6] [ref. 35236], Koerber et al. 2017:68 [ref. 35267], DoNascimiento et al. 2017:67 [ref. 35633], Urbano-Bonilla et al. 2018:72 [ref. 35773], Bernt et al. 2018:472 [ref. 35797], Ochoa et al. 2020:63 [ref. 37781], dos Reis et al. 2020:463 [ref. 38364] as aff. albifrons, Meza-Vargas et al. 2021:21 [ref. 39298], Chuctaya et al. 2022:32 [ref. 42137], Koerber et al. 2022:42 [ref. 39235], Taphorn et al. 2022:38 [ref. 41297], Torgersen et al. 2023:772 [ref. 40692], Vieira et al. 2023:19 [ref. 40759], Limeira-Filho et al. 2024:6 [ref. 41573]). Current status: Valid as Apteronotus albifrons (Linnaeus 1766). Apteronotidae: Apteronotinae. Distribution: Northern and central South America: Amazon and Orinoco basins, and coastal rivers of northeastern Brazil (Argentina, Brazil, Colombia, Bolivia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela) [this range now reduced]. Habitat: freshwater.

anu, Apteronotus de Santana [C. D.] & Vari [R. P.] 2013:570, Figs. 3-4 [Zoological Journal of the Linnean Society v. 168 (no. 3); ref. 32777] Zulia, Rio Negro, 12 km south of Machiques on way to Tokuko at the bridge, Venezuela. Holotype: MCNG 24991. Paratypes: INHS, MCZ, USNM. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Valid as Apteronotus anu de Santana & Vari 2013 -- (Ferraris et al. 2017:[6] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633]). Current status: Valid as Apteronotus anu de Santana & Vari 2013. Apteronotidae: Apteronotinae. Distribution: Lake Maracaibo basin, Colombia and Venezuela. Habitat: freshwater.

apurensis, Apteronotus Fernández-Yépez [A.] 1968:[6], Pl. 5 (unnumb.) [Evencias No. 20; ref. 7318] Río Bucaral, Paso Mirabal, Río Apure system, Orinoco basin, Venezuela. Holotype (unique): MBUCV-V-10840 [ex AFY 51253]. Type catalog: Provenzano et al. 1998:4 [ref. 24196], Ferraris et al. 2017:[6] [ref. 35236]. On sixth unnumbered page. •Valid as Apteronotus apurensis Fernández-Yépez 1968 -- (Mago-Leccia 1994:29 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert 2001:109 [ref. 25614] as "Apteronotus", Albert in Reis et al. 2003:498 [ref. 27061], Triques 2007:85 [ref. 29060], Triques 2011:301 [ref. 31671], Barriga Salazar 2014:116 [ref. 35745], Ferraris et al. 2017:[6] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633], Hilton & Cox Fernandes 2017:101 [ref. 39312] as "Apteronotus" apurensis with question, Bernt et al. 2018:472 [ref. 35797], Lasso et al. in Lasso & Morales-Betancourt 2022:66 [ref. 40783]). Current status: Valid as Apteronotus apurensis Fernández-Yépez 1968. Apteronotidae: Apteronotinae. Distribution: South America: Ecuador, Venezuela and Colombia. Habitat: freshwater.

baniwa, Apteronotus de Santana [C. D.] & Vari [R. P.] 2013:575, Figs.7-8 [Zoological Journal of the Linnean Society v. 168 (no. 3); ref. 32777] Amazonas, Río Orinoco, 147 km east-south-east of San Fernando de Atabapo, 3°45'23"N, 66°36'12"W, Venezuela. Holotype: AUM 43275. Paratypes: AUM, FMNH, MCNG, USNM. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Valid as Apteronotus baniwa de Santana & Vari 2013 -- (Ferraris et al. 2017:[6] [ref. 35236]). Current status: Valid as Apteronotus baniwa de Santana & Vari 2013. Apteronotidae: Apteronotinae. Distribution: Río Orinoco basin, Venezuela. Habitat: freshwater.

bonapartii, Sternarchus Castelnau [F. L.] 1855:92, Pl. 45 (fig. 2) [Animaux nouveaux or rares v. 2; ref. 766] Lake emptying into Río Ucayali, Peru. Holotype (unique): MNHN 0000-3807. Type catalog: Bertin 1948:43-44 [ref. 19577]. •See Albert & Campos-da-Paz 1998:431 [ref. 23853]. •Valid as Parapteronotus bonapartii (Castelnau 1855) -- (Triques 2007:84 [ref. 29060], Barriga Salazar 2014:116 [ref. 35745] as cf. bonapartii). •Valid as Apteronotus bonapartii (Castelnau 1855) -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:29 [ref. 21320], Cox Fernandes 1998:730 [ref. 23422], Albert 2001:109 [ref. 25614] as cf. bonarpartii, Albert in Reis et al. 2003:498 [ref. 27061], Hilton & Cox Fernandes 2006:826 [ref. 28924], Albert & Crampton 2009:90 [ref. 30049], Triques 2011:300 [ref. 31671], Sarmiento et al. 2014:188 [ref. 35004], Ivanyisky & Albert 2014:579 [ref. 35449], Melo et al. 2016:134 [ref. 34701], DoNascimiento et al. 2017:67 [ref. 35633], Hilton & Cox Fernandes 2017:101 [ref. 39312] as "Apteronotus" bonapartii, Urbano-Bonilla et al. 2018:72 [ref. 35773], Bernt et al. 2018:472 [ref. 35797], Ochoa et al. 2020:63 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Chuctaya et al. 2022:32 [ref. 42137], Taphorn et al. 2022:38 [ref. 41297] as "Apteronotus" bonapartii, Torgersen et al. 2023:773 [ref. 40692]). Current status: Valid as Apteronotus bonapartii (Castelnau 1855). Apteronotidae: Apteronotinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia, ?Ecuador, Guayana and Peru). IUCN (2022): Least Concern. Habitat: freshwater.

brasiliensis, Sternarchus Reinhardt [J. T.] 1852:148 [Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn, Aaret 1852; ref. 18619] Rio das Velhas, Brazil. Syntypes: ?NMW 65015 (1); ZMB 9185 and/or 9195 (1 or 1 + 1); ZMUC 35-36 (2), 41 (1). Type catalog: Nielsen 1974:48 [ref. 9588], Ferraris et al. 2017:[6] [ref. 35236]. •Valid as Apteronotus brasiliensis (Reinhardt 1852) -- (Mago-Leccia 1994:29 [ref. 21320], Gómez & Chebez 1996:56 [ref. 23791], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert 2001:109 [ref. 25614], Britski 2001:21 [ref. 26046], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], López et al. 2003:66 [ref. 27366], Menni 2004:85 [ref. 28131], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:47 [ref. 35117], Nión et al. 2016:35 [ref. 35565] dated 1853, Ferraris et al. 2017:[6] [ref. 35236], Koerber et al. 2017:69 [ref. 35267], Silva-Sene et al. 2024:3 [ref. 41784]). Current status: Valid as Apteronotus brasiliensis (Reinhardt 1852). Apteronotidae: Apteronotinae. Distribution: South America: Paraná River basin, Das Velhas River basin (Argentina, Brazil, Paraguay and Uruguay). Habitat: freshwater.

camposdapazi, Apteronotus de Santana [C. D.] & Lehmann A. [P.] 2006:262, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 17 (no. 3); ref. 28847] Niquelandia, Arroio Arara, 500 meters from mouth of Rio Maranhão at Rosariana, 14°01'S, 48°26'W, Goiás State, Brazil. Holotype: MCP 40046. Paratypes: MCP 16062 (6, 1 c&s). Plus non-type material. Type catalog: Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus camposdapazi de Santana & Lehmann A. 2006 -- (Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777] as cf. camposdapazi, Ferraris et al. 2017:[7] [ref. 35236]). Current status: Valid as Apteronotus camposdapazi de Santana & Lehmann A. 2006. Apteronotidae: Apteronotinae. Distribution: Tocantins River basin, Brazil. Habitat: freshwater.

caudimaculosus, Apteronotus de Santana [C. D.] 2003:2, Figs. 1-2 [Zootaxa No. 252; ref. 26978] Aquapap Pantanal, 19°36.64'S, 56°24.87'W, Aquidauna, Rio Novo, Brejo de Santa Sofia, Mato Grosso do Sul State, Brazil. Holotype: MZUSP 79359. Paratypes: ANSP 178659 (1), CAS 216788 (1), INHS 94260 (1), FMNH 108537 (2), GMNH 3435 (1), INPA 20066 (1), MCZ 161831 (1), MZUSP 59295-26 (22, 4), UMMZ 240249 (1), USNM 371234 (1). Type catalog: Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus caudimaculosus de Santana 2003 -- (de Santana & Crampton 2006:115 [ref. 28765], de Santana & Lehmann A. 2006:261 [ref. 28847], Triques 2007:85 [ref. 29060], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:592 [ref. 32777], Ferraris et al. 2017:[7] [ref. 35236], dos Reis et al. 2020:463 [ref. 38364] as cf. caudimaculosus). Current status: Valid as Apteronotus caudimaculosus de Santana 2003. Apteronotidae: Apteronotinae. Distribution: South America: Paraná River basin (Brazil). Habitat: freshwater.

cuchillejo, Sternarchogiton Schultz [L. P.] 1949:72, Pl. 3 (fig. B) [Proceedings of the United States National Museum v. 99 (no. 3235); ref. 3967] Río Motatán, 8 kilometers below Motatán, Maracaibo basin, Venezuela. Holotype: USNM 121600. Paratypes: MBUCV-V-6975 [ex USNM 121601] (1); MCZ 37290 (2); UMMZ 157673 (3); USNM 121598 (7), 121599 (47, now 39, 2 to MCZ, 2 to ZMA, 2 to G. Dahl, 2 missing), 121601 (5, now 4), 121602 (10), 121603 (now 0, 2 to UMMZ), ZMA 102119 (2). Type catalog: Nijssen et al. 1982:25 [ref. 19236], Ferraris & Vari 1992:4 [ref. 19771], Provenzano et al. 1998:18 [ref. 24196], Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Sternarchogiton cuchillejo Schultz 1949 -- (Mago-Leccia 1994:35 [ref. 21320], Galvis et al. 1997:104 [ref. 23651]). •Valid as Apteronotus cuchillejo (Schultz 1949) -- (Albert & Campos-da-Paz 1998:430-431 [ref. 23853], Albert 2001:109 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], de Santana & Maldonado-Ocampo 2005:229 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633]). Current status: Valid as Apteronotus cuchillejo (Schultz 1949). Apteronotidae: Apteronotinae. Distribution: Catatumbo River basin, Lake Maracaibo basin, Venezuela and Colombia. Habitat: freshwater.

cuchillo, Apteronotus Schultz [L. P.] 1949:69, Pl. 3 (fig. A) [Proceedings of the United States National Museum v. 99 (no. 3235); ref. 3967] Río Socuy, 3 kilometers above mouth, Maracaibo basin, Venezuela. Holotype: USNM 121591. Paratypes: G. Dahl coll. [ex USNM 12159] (2); MBUCV-V-7554 [ex USNM 121590] (1); MCZ 37218 [ex USNM 121589] (1), 52010 [ex USNM 121589 and MCZ 37218] (1, c&s); UMMZ 157673 (3); USNM 121587-89 (13, now 0, now 7), 121590 (7, now 6, 1 c&s). Type catalog: Ferraris & Vari 1992:4 [ref. 19771], Provenzano et al. 1998:4 [ref. 24196], Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus cuchillo Schultz 1949 -- (Mago-Leccia 1994:30 [ref. 21320], Galvis et al. 1997:103 [ref. 23651], de Santana 2003:6 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], de Santana & Maldonado-Ocampo 2005:229 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633]). Current status: Valid as Apteronotus cuchillo Schultz 1949. Apteronotidae: Apteronotinae. Distribution: Lake Maracaibo basin: Colombia and Venezuela. Habitat: freshwater.

curvioperculata, Sternarchella Godoy [M. P. de] 1968:352, Figs. 3-5 [Revista Brasileira de Biologia v. 28 (no. 4); ref. 7886] Affluent of the Rio Mogi Guassu, São Paulo State, Brazil. Holotype (unique): EEBP 336. Type catalog: Ferraris et al. 2017:[10] [ref. 35236]. •Valid as Sternarchella curvioperculata Godoy 1968 -- (Mago-Leccia 1994:34 [ref. 21320], Albert 2001:111 [ref. 25614], Albert in Reis et al. 2003:500 [ref. 27061], Triques 2011:304 [ref. 31671], Lundberg et al. 2013:158 [ref. 32552], Ferraris et al. 2017:[10] [ref. 35236]). •Possibly a species of Apteronotus -- (Evans et al. 2017:2 [ref. 35357]). Current status: Uncertain. Apteronotidae: Apteronotinae. Distribution: Rio Paraná basin, Brazil. Habitat: freshwater.

ellisi, Porotergus Alonso de Arámburu [A. S.] 1957:154, Fig. 1 [Notas del Museo de La Plata v. 19 (no. 177); ref. 12128] Lower Río Paraná, San Pedro, Buenos Aires Province, Argentina. Holotype: MLP 1-V-37-3. Paratypes: MLP 4674 [ex 11-III-46-23] (1), 4021 [ex 5-V-47-4] (1),1664 [ex 5-VI-35-34] (1). Type catalog: Miquelarena & Nadalin 2014:18 [ref. 33466]. •Valid as Porotergus ellisi Alonso de Arámburu 1957 -- (Mago-Leccia 1994:33 [ref. 21320], Gómez & Chebez 1996:56 [ref. 23791], López et al. 2003:66 [ref. 27366], Triques 2011:304 [ref. 31671]). •Valid as Apteronotus ellisi (Alonso de Arámburu 1957) -- (Albert 2001:110 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], Menni 2004:85 [ref. 28131], de Santana & Crampton 2006:115 [ref. 28765] as elisi, Koerber & Litz 2014:5 [ref. 34967], Mirande & Koerber 2015:47 [ref. 35117], Bertaco et al. 2016:422 [ref. 34561], Koerber & Litz 2016:6 [ref. 35098], Koerber et al. 2017:69 [ref. 35267], Bernt et al. 2018:473 [ref. 35797], dos Reis et al. 2020:463 [ref. 38364], Koerber et al. 2021:5 [ref. 38894], Koerber et al. 2023:5 [ref. 40355], Loureiro et al. 2023:84 [ref. 40506]). Current status: Valid as Apteronotus ellisi (Alonso de Arámburu 1957). Apteronotidae: Apteronotinae. Distribution: South America: Brazil, Uruguay, Paraguay and Argentina. Habitat: freshwater.

eschmeyeri, Apteronotus de Santana [C. D.], Maldonado-Ocampo [J. A.], Severi [W.] & Mendes [G. N.] 2004:3, Figs. 1-2 [Zootaxa No. 410; ref. 27412] Rio Magdalena Basin, Las Juntas de Apulo, Rio Bogotá along railway between Girardot and Facatativa, Departamento Cundinamarca, Colombia. Holotype: CAS 72115 (IU 13377). Paratypes: FMNH 56775-76 (2, 1); IAVHP 3304 (8); ICN-MHN 6741 (3); IMCN 2000 (3); USNM 120473 (1). Type catalog: DoNascimiento et al. 2016:403 [ref. 34787], Ferraris et al. 2017:[7] [ref. 35236], Mojica & Agudelo-Zamora 2018:6 [ref. 36127]. •Valid as Apteronotus eschmeyeri de Santana, Maldonado-Ocampo, Severi & Mendes 2004 -- (de Santana & Maldonado-Ocampo 2005:227 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633]). Current status: Valid as Apteronotus eschmeyeri de Santana, Maldonado-Ocampo, Severi & Mendes 2004. Apteronotidae: Apteronotinae. Distribution: Magdalena River basin, Bogotá River and Luisa River, Colombia. Habitat: freshwater.

ferrarisi, Apteronotus de Santana [C. D.] & Vari [R. P.] 2013:577, Figs. 9-10 [Zoological Journal of the Linnean Society v. 168 (no. 3); ref. 32777] Yaracuy, Río Yaracuy basin (Caribbean Coast), Quebrada Guaquira on Hacienda Guaquira, southeast of El Peñon azil, Reservoir, 10°17'40"N, 68°39"35"W, Venezuela. Holotype: MCNG 55635. Paratypes: MCNG 54584 (1), 52077 (1). Type catalog: Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus ferrarisi de Santana & Vari 2013 -- (Ferraris et al. 2017:[7] [ref. 35236]). Current status: Valid as Apteronotus ferrarisi de Santana & Vari 2013. Apteronotidae: Apteronotinae. Distribution: Río Yaracuy and adjoining Río Aroa, Venezuela. Habitat: freshwater.

galvisi, Apteronotus de Santana [C. D.], Maldonado-Ocampo [J. A.] & Crampton [W. G. R.] 2007:118, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 18 (no. 2); ref. 29198] Río Meta drainage, Río Cusiana, bridge El Venado, 5°00'50"N, 72°41.30.9"W, Casanare, Colombia, elevation 305 meters. Holotype: IAVHP 8133. Paratypes: IAVHP 8129 (6), 8130 (2), 8131 (2), 8132 (2), 8167 (3). Plus non-type specimens. Type catalog: DoNascimiento et al. 2016:403 [ref. 34787], Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus galvisi de Santana, Maldonado-Ocampo & Crampton 2007 -- (Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:578 [ref. 32777], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633], Urbano-Bonilla et al. 2018:72 [ref. 35773]). Current status: Valid as Apteronotus galvisi de Santana, Maldonado-Ocampo & Crampton 2007. Apteronotidae: Apteronotinae. Distribution: South America: Meta River basin, Orinoco River system (Colombia). IUCN (2022): Data Deficient. Habitat: freshwater.

jurubidae, Sternarchus Fowler [H. W.] 1944:242, Fig. 20 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 96; ref. 1452] Río Jurubidá, Nuquí, Pacific Slope, Colombia. Holotype (unique): ANSP 71435. Type catalog: Böhlke 1984:21 [ref. 13621], Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus jurubidae (Fowler 1944) -- (Mago-Leccia 1994:30 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853] but possibly a synonym of mariae, de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], de Santana & Maldonado-Ocampo 2004:9 [ref. 27837], de Santana & Maldonado-Ocampo 2005:229 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus jurubidae (Fowler 1944). Apteronotidae: Apteronotinae. Distribution: Jurubidá River basin, Arato River system, Colombia. Habitat: freshwater.

lacepedii, Sternarchus Castelnau [F. L.] 1855:93, Pl. 45 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Suriname. No types known. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Synonym of Apteronotus albifrons (Linnaeus 1766) -- (Mago-Leccia 1994:29 [ref. 21320], Albert in Reis et al. 2003:498 [ref. 27061], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:47 [ref. 35117], Ferraris et al. 2017:[6] [ref. 35236], Koerber et al. 2017:68 [ref. 35267]). Current status: Synonym of Apteronotus albifrons (Linnaeus 1766). Apteronotidae: Apteronotinae. Habitat: freshwater.

leptorhynchus, Sternarchus Ellis [M. D.] in Eigenmann 1912:439 [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Amatuk, Guyana. Holotype: FMNH 53294 [ex CM 1762, not 1763a]. Paratypes: CAS 62333 [ex IU 12588] (1), FMNH 53295 (1) [? ex CM 1764a]. Type catalog: Henn 1928:71 [ref. 12305], Ibarra & Stewart 1987:81 [ref. 12367], Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus leptorhynchus (Ellis 1912) -- (Ortega & Vari 1986:12 [ref. 9708], Mago-Leccia 1994:29 [ref. 21320], Galvis et al. 1997:104 [ref. 23651], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert 2001:110 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:498 [ref. 27061], de Santana & Crampton 2006:115 [ref. 28765], Triques 2007:85 [ref. 29060], de Santana et al. 2007:117 [ref. 29198], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:582 [ref. 32777], DoNascimiento 2016:534 [ref. 34727], Ferraris et al. 2017:[7] [ref. 35236], see DoNascimiento et al. 2017:[15] [ref. 35679], Taphorn et al. 2022:38 [ref. 41297]). Current status: Valid as Apteronotus leptorhynchus (Ellis 1912). Apteronotidae: Apteronotinae. Distribution: South America: Essequibo River drainage (Guyana) [some records above are in error]. Habitat: freshwater.

lindalvae, Apteronotus de Santana [C. D.] & Cox Fernandes [C.] 2012:286, Fig. 1 [Copeia 2012 (no. 2); ref. 32053] Rio Uatumã, Cochoeira do Mirití, Amazonas, Brazil. Holotype: INPA 27688. Paratypes: ANSP 192180 (6); INPA 15977 (2 c&s), 16076 (4), 16077 (36); MPEG 21687 (2); USNM 404358 (2). Plus non-type specimens. Type catalog: Ferraris et al. 2017:[7] [ref. 35236]. •Valid as Apteronotus lindalvae de Santana & Cox Fernandes 2012 -- (Ferraris et al. 2017:[7] [ref. 35236]). Current status: Valid as Apteronotus lindalvae de Santana & Cox Fernandes 2012. Apteronotidae: Apteronotinae. Distribution: Uatumã River basin, Amazonas, Brazil. Habitat: freshwater.

macrolepis, Sternarchus Steindachner [F.] 1881:98 [Anzeiger der Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Klasse v. 18 (no. 11) (for 5 May 1881); ref. 20484] Amazonas, Brazil. Syntypes: (several) NMW 65333 (2). Type catalog: Ferraris et al. 2017:[7] [ref. 35236]. Species illustrated and described in more detail in Steindachner 1881:14, Pl. 5 (fig. 7) [ref. 14299]. •Synonym of Apteronotus bonapartii (Castelnau 1855) -- (Mago-Leccia 1994:29 [ref. 21320]). •Valid as "Apteronotus" macrolepis (Steindachner 1881) -- (Albert 2001:110 [ref. 25614], Albert in Reis et al. 2003:498 [ref. 27061], Triques 2007:85 [ref. 29060], Triques 2011:301 [ref. 31671], Barriga Salazar 2014:116 [ref. 35745], Ferraris et al. 2017:[7] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus macrolepis (Steindachner 1881). Apteronotidae: Apteronotinae. Distribution: Amazon River basin: Brazil, Ecuador, Colombia and Peru. Habitat: freshwater.

macrostomus, Sternarchus Fowler [H. W.] 1943:263, Fig. 63 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 95; ref. 1443] Villavicencio, Río Meta basin, Colombia. Holotype (unique): ANSP 70528. Type catalog: Böhlke 1984:22 [ref. 13621], Ferraris et al. 2017:[8] [ref. 35236]. Apparently preoccupied by Sternarchus macrostoma [us] Günther 1870, name apparently should be replaced. •Treated as valid -- (Mago-Leccia 1994:30 [ref. 21320]). •See Albert & Campos-da-Paz 1998:431 [ref. 23853]. •Valid as Parapteronotus macrostomus (Fowler 1943) -- (Triques 2005:144 [ref. 28939], Triques 2007:85 [ref. 29060], Barriga Salazar 2014:116 [ref. 35745]). •Valid as Apteronotus macrostomus (Fowler 1943) -- (Albert 2001:110 [ref. 25614], Albert in Reis et al. 2003:499 [ref. 27061], de Santana & Crampton 2006:115 [ref. 28765], de Santana et al. 2007:117 [ref. 29198], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:584 [ref. 32777], DoNascimiento 2016:540 [ref. 34727], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus macrostomus (Fowler 1943). Apteronotidae: Apteronotinae. Distribution: Meta River basin, Orinoco River system: Colombia, Ecuador and ?Venezuela. Habitat: freshwater.

magdalenensis, Ubidia Miles [C.] 1945:461, Figs. 11-12 [Caldasia v. 3 (no. 15); ref. 2998] Río Magdalena, Honda, Tolima, Colombia. Holotype: Sec. Caza y Pesca, Min. Nat. Econ. Bogotá. Paratypes: BMNH 1947.7.1.138 (1), USNM 123795 (1). Type catalog: Ferraris & Vari 1992:5 [ref. 19771], Ferraris et al. 2017:[8] [ref. 35236]. •Valid as Ubidia magdalenensis Miles 1945 -- (Mago-Leccia 1994:37 [ref. 21320]). •Valid as Apteronotus magdalenensis (Miles 1945) -- (Albert & Campos-da-Paz 1998:430-431 [ref. 23853], Albert 2001:110 [ref. 25614], de Santana 2003:6 [ref. 26978], Albert in Reis et al. 2003:499 [ref. 27061], de Santana et al. 2004:2 [ref. 27412], de Santana & Maldonado-Ocampo 2005:227 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Maldonado-Ocampo et al. 2011:505 [ref. 31518], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus magdalenensis (Miles 1945). Apteronotidae: Apteronotinae. Distribution: Magdalena River basin, Colombia. Habitat: freshwater.

magoi, Apteronotus de Santana [C. D.], Castillo [O.] & Taphorn [D. C.] 2006:276, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 17 (no. 3); ref. 28848] Río Apure drainage, Caño Bravo, 8°00'S, 67°59'W, Barinas, Venezuela. Holotype: MCNG 54795. Paratypes: MCNG 49291 (1), 49316 (1), 54112 (3); USNM 388024 (1). Type catalog: Ferraris et al. 2017:[8] [ref. 35236]. •Valid as Apteronotus magoi de Santana, Castillo & Taphorn 2006 -- (Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], Ferraris et al. 2017:[8] [ref. 35236]). Current status: Valid as Apteronotus magoi de Santana, Castillo & Taphorn 2006. Apteronotidae: Apteronotinae. Distribution: Apure River drainage, Orinoco River system, Venezuela. Habitat: freshwater.

mariae, Sternarchus Eigenmann [C. H.] & Fisher [H. G.] 1914:236 [Indiana University Studies v. 2 (no. 25); ref. 11068] Girardot, Colombia. Holotype: FMNH 56774 [ex CM 5594]. Paratypes: CAS 62345 [ex IU 13375] (1). Type catalog: Henn 1928:71 [ref. 12305], Ibarra & Stewart 1987:81 [ref. 12367], Ferraris et al. 2017:[8] [ref. 35236]. •Valid as Apteronotus mariae (Eigenmann & Fisher 1914) -- (Mago-Leccia 1994:29 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert 2001:110 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:499 [ref. 27061], de Santana et al. 2004:2 [ref. 27412], de Santana & Maldonado-Ocampo 2004:3 [ref. 27837], de Santana & Maldonado-Ocampo 2005:228 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2007:85 [ref. 29060], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus mariae (Eigenmann & Fisher 1914). Apteronotidae: Apteronotinae. Distribution: Magdalena River basin, Colombia. Habitat: freshwater.

maximilliani, Sternarchus Castelnau [F. L.] 1855:93, Pl. 45 (fig. 4) [Animaux nouveaux or rares v. 2; ref. 766] Río Urubamba, Peru. No types known. Type catalog: Ferraris et al. 2017:[6] [ref. 35236]. •Synonym of Apteronotus albifrons (Linnaeus 1766) -- (Mago-Leccia 1994:29 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert in Reis et al. 2003:498 [ref. 27061], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:47 [ref. 35117], Ferraris et al. 2017:[6] [ref. 35236] with question, Koerber et al. 2017:68 [ref. 35267]). Current status: Synonym of Apteronotus albifrons (Linnaeus 1766). Apteronotidae: Apteronotinae. Habitat: freshwater.

milesi, Apteronotus de Santana [C. D.] & Maldonado-Ocampo [J. A.] 2005:224, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 16 (no. 3); ref. 28331] Municipio de Ancermanuevo, Hacienda el Amparo, Río Chanco, Departamento del Valle del Cauca, Colombia, elevation 950 meters. Holotype: IAVHP 3996. Paratypes: CAS 72249 [ex IU 13379] (2), 72250 [ex IU 13379] (2); IAVHP 3997 (13); ICMN 2500 (3); ICNMNH 3155 (3); FMNH 56775 (2), 56776 (1), 56777 (4), 56778 (3). Type catalog: DoNascimiento et al. 2016:405 [ref. 34787], Ferraris et al. 2017:[8] [ref. 35236], Mojica & Agudelo-Zamora 2018:6 [ref. 36127]. •Valid as Apteronotus milesi de Santana & Maldonado-Ocampo 2005 -- (de Santana & Crampton 2006:115 [ref. 28765], Triques 2011:301 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:593 [ref. 32777], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus milesi de Santana & Maldonado-Ocampo 2005. Apteronotidae: Apteronotinae. Distribution: Cauca River basin, Colombia. Habitat: freshwater.

paranaensis, Sternarchus Schindler [O.] 1940:104, Figs. 5-6 [Ibero-Amerikanische Studien v. 13; ref. 31257] Small tributary on right side of Rio Paraná, 34 km upstream of Porto Tibiriçá (Presidente Epitácio), Mato Grosso do Sul State, Brazil, ca. 21°29'S, 52°07E. Syntypes: ZSM 5901 [ex 21/1938] (1), 5902 [ex 20/1938] (1). Type catalog: Neumann 2011:237 [ref. 31652], Ferraris et al. 2017:[8] [ref. 35236]. Neumann 2011:237 [ref. 31652] treats a holotype (ZSM 5902) and paratype. •Tentatively valid as Apteronotus paranaensis (Schindler 1940) -- (Neumann 2011:237 [ref. 31652], Ferraris et al. 2017:[8] [ref. 35236]). Current status: Uncertain as Apteronotus paranaensis (Schindler 1940). Apteronotidae: Apteronotinae. Distribution: South America: Paraná River Basin, Brazil [if valid]. Habitat: freshwater.

passan, Apteronotus Lacepède [B. G. E.] 1800:209, Pl. 6 (fig. 3) [Histoire naturelle des poissons (Lacepède) v. 2; ref. 2709] Suriname. Holotype (unique): MNHN 0000-3808. Type catalog: Bertin 1948:43 [ref. 19577], Ferraris et al. 2017:[6] [ref. 35236]. Unnecessary replacement name for Gymnotus albifrons Linnaeus 1766. Also appeared in Sonnini 1803:23 (vol. 6) [ref. 30473]. •Synonym of Apteronotus albifrons (Linnaeus 1766) -- (Mago-Leccia 1994:29 [ref. 21320], Albert in Reis et al. 2003:498 [ref. 27061], Litz & Koerber 2014:28 [ref. 33622], Mirande & Koerber 2015:47 [ref. 35117], Ferraris et al. 2017:[6] [ref. 35236], Koerber et al. 2017:68 [ref. 35267]). Replacement Name. Current status: Synonym of Apteronotus albifrons (Linnaeus 1766). Apteronotidae: Apteronotinae. Habitat: freshwater.

pemon, Apteronotus de Santana [C. D.] & Vari [R. P.] 2013:586, Figs. 17-18 [Zoological Journal of the Linnean Society v. 168 (no. 3); ref. 32777] Bolivar, Techiné-meru waterfall, tributary of upper Río Caroni, about 5°01'N, 62°17'60"W, Venezuela. Holotype: FMNH 70012. Paratypes: FMNH 121159 (4, 1 c&s). Type catalog: Ferraris et al. 2017:[8] [ref. 35236]. •Valid as Apteronotus pemon de Santana & Vari 2013 -- (Ferraris et al. 2017:[8] [ref. 35236]). Current status: Valid as Apteronotus pemon de Santana & Vari 2013. Apteronotidae: Apteronotinae. Distribution: Upper Río Caroni basin, Venezuela. Habitat: freshwater.

quilombola, Apteronotus Peixoto [L. A. W.], Datovo [A.], Menezes [N. A.] & de Santana [C. D.] 2021:805, Figs. 1-6 [Journal of Fish Biology v.98 (no. 3); ref. 38103] Rio Mapuera, last waterfall before Rio Trombeta, Oriximiná, Pará, Brazil, about 1°05'S, 57°02'W. Holotype: INPA 7684. Paratypes: INPA 34675 (3), 59628 (4). •Valid as Apteronotus quilombola Peixoto, Datovo, Menezes & de Santana 2021 -- (Peixoto et al. 2021:1008 [ref. 38726]). Current status: Valid as Apteronotus quilombola Peixoto, Datovo, Menezes & de Santana 2021. Apteronotidae: Apteronotinae. Distribution: Mapuera and Trombetas River drainage, Pará, Brazil. Habitat: freshwater.

rostratus, Stenarchus Meek [S. E.] & Hildebrand [S. F.] 1913:85 [Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 8); ref. 12295] Río Grande near Cana, Panama. Holotype (unique): FMNH 7592. Type catalog: Ibarra & Stewart 1987:81 [ref. 12367], Ferraris et al. 2017:[8] [ref. 35236]. Original genus should have been Sternarchus. •Valid as Apteronotus rostratus (Meek & Hildebrand 1913) -- (Ovchynnyk 1967:33 [ref. 37559], Mago-Leccia 1994:29 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853], Albert 2001:110 [ref. 25614], de Santana 2003:8 [ref. 26978], Albert in Reis et al. 2003:499 [ref. 27061], de Santana et al. 2004:2 [ref. 27412], de Santana & Maldonado-Ocampo 2005:228 [ref. 28331], de Santana & Crampton 2006:115 [ref. 28765], Triques 2007:85 [ref. 29060], de Santana et al. 2007:117 [ref. 29198], Triques 2011:300 [ref. 31671], d Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:589 [ref. 32777], Barriga Salazar 2014:116 [ref. 35745], Jiménez-Prado et al. 2015:280 [ref. 34894], DoNascimiento et al. 2017:68 [ref. 35633], Ferraris et al. 2017:[8] [ref. 35236], Bernt et al. 2018:473 [ref. 35797]). Current status: Valid as Apteronotus rostratus (Meek & Hildebrand 1913). Apteronotidae: Apteronotinae. Distribution: South America: Colombia, Panama and Ecuador. Habitat: freshwater.

spurrellii, Sternarchus Regan [C. T.] 1914:32 [Annals and Magazine of Natural History (Series 8) v. 14 (no. 79); ref. 14172] Río Condoto, Colombia. Syntypes: BMNH 1914.5.18.90-93 (4). Type catalog: Ferraris et al. 2017:[8] [ref. 35236]. •Valid as Apteronotus spurrellii (Regan 1914) -- (Mago-Leccia 1994:29 [ref. 21320], Albert & Campos-da-Paz 1998:431 [ref. 23853] but possibly a synonym of mariae, Albert 2001:110 [ref. 25614] as cf. spurrelii, Albert in Reis et al. 2003:499 [ref. 27061], de Santana & Maldonado-Ocampo 2005:229 [ref. 28331], de Santana & Crampton 2006:116 [ref. 28765], de Santana et al. 2007:117 [ref. 29198], Triques 2011:300 [ref. 31671], de Santana & Cox Fernandes 2012:284 [ref. 32053], de Santana & Vari 2013:591 [ref. 32777], Ferraris et al. 2017:[8] [ref. 35236], DoNascimiento et al. 2017:68 [ref. 35633]). Current status: Valid as Apteronotus spurrellii (Regan 1914). Apteronotidae: Apteronotinae. Distribution: San Juan River basin and Pacific versant rivers, Colombia. Habitat: freshwater.