Species that contain: Cathorops and spixii [ 4 ] records

albidus, Pimelodus Spix [J. B. von] & Agassiz [L.] 1829:19, Pl. 7 (fig. 1) [Selecta genera et species piscium quos in itinere per Brasiliam; ref. 13] No locality stated. Type catalog: Ferraris 2007:40 [ref. 29155]. Name published in the synonymy of Pimelodus spixii but name apparently available from the plate caption according to Ferraris 2007:40 [ref. 29155]. Preocccupied by Arius albidus Lesueur. •In the synonymy of Cathorops spixii (Spix & Agassiz 1829) -- (Marceniuk & Ferraris in Reis et al. 2003:449 [ref. 27061], Kailola 2004:132 [ref. 28108], Marceniuk 2005:97 [ref. 28718], Marceniuk & Menezes 2007:45 [ref. 29031], Ferraris 2007:40 [ref. 29155]). Current status: Synonym of Cathorops spixii (Agassiz 1829). Ariidae: Ariinae. Habitat: freshwater, brackish, marine.

fissus, Arius Valenciennes [A.] in Cuvier & Valenciennes 1840:107 [Histoire naturelle des poissons v. 15; ref. 1008] Suriname. Holotype (unique): RMNH 3036. Type information: Boeseman 1972:295 [ref. 19698]. Type catalog: Ferraris 2007:39 [ref. 29155]. For locality information see Boeseman 1972:295 [ref. 19698]. Marceniuk & Ferraris 2003:449 [ref. 27061] act as first reviser in giving precedence to Arius arenatus over A. fissus. •Status uncertain -- (Burgess 1989:168 [ref. 12860]). •Valid as Cathorops fissus (Valenciennes 1840) -- (Le Bail et al. 2000:34 [ref. 24549], Marceniuk & Menezes in Menezes et al. 2003:42 [ref. 27192]). •Synonym of Cathorops spixii (Agassiz 1829) -- (Acero P. 2003:849 [ref. 26998]). •Synonym of Cathorops arenatus (Valenciennes 1840) -- (Marceniuk & Ferraris in Reis et al. 2003:449 [ref. 27061], Marceniuk 2005:97 [ref. 28718], Marceniuk & Menezes 2007:43 [ref. 29031], Ferraris 2007:39 [ref. 29155], Marceniuk 2007:363 [ref. 29509], Marceniuk et al. 2012:91 [ref. 31865]). Current status: Synonym of Cathorops arenatus (Valenciennes 1840). Ariidae: Ariinae. Habitat: brackish, marine.

nigricans, Arius Valenciennes [A.] 1834:Pl. 3 (fig. 3) [Voyage dans l'Amérique méridionale; ref. 20720] Río de la Plata, Montevideo, Uruguay. Holotype (unique): MNHN 0000-0176 (poor condition). Type catalog: Bertin & Estève 1950:54 [ref. 19575], Ferraris 2007:54 [ref. 29155] Name available from plate, also in Valenciennes 1847:6 [ref. 5010]. Pl. 3 was published in 1834. See also Cuvier & Valenciennes 1840:83 [ref. 1008]. •Species inquirenda in Arridae -- (Marceniuk & Ferraris in Reis et al. 2003:453 [ref. 27061]). •Species inquirenda in Genidens -- (Marceniuk & Menezes 2007:67 [ref. 29031]). •Species inquirenda in Ariidae -- (Ferraris 2007:54 [ref. 29155]). •Synonym of Cathorops spixii (Agassiz 1829) -- (Marceniuk et al. 2012:87 [ref. 31865]). Current status: Synonym of Cathorops spixii (Agassiz 1829). Ariidae: Ariinae. Habitat: freshwater, brackish, marine.

spixii, Pimelodus Agassiz [L.] in Spix & Agassiz 1829:19 [Selecta genera et species piscium quos in itinere per Brasiliam; ref. 13] Marajó Bay, Pará State, Brazil [Equatorial Brazil = lower Amazon basin]. Neotype: MZUSP 49345. Type catalog: Ferraris 2007:40 [ref. 29155]. Neotype selected by Marceniuk et al. 2012:86 [ref. 31865]. Original type locality see Koerber 2021:93 [ref. 38172]. •Valid as Arius spixii (Agassiz 1829) -- (Burgess 1989:169 [ref. 12860]). •Valid as Cathorops spixii (Agassiz 1829) -- (Uyeno & Aizawa in Uyeno et al. 1983:160 [ref. 14275], Cervigón 1991:143 [ref. 24472], Cervigón 1992:260 [ref. 23827], González Bencomo et al. 1997:158 [ref. 24960], Aguilera 1998:47 [ref. 24221], Castro-Aguirre et al. 1999:149 [ref. 24550] as spixi, Le Bail et al. 2000:32 [ref. 24549], Marín 2000:68 [ref. 26252], Acero P. 2003:849 [ref. 26998], Marceniuk & Ferraris in Reis et al. 2003:449 [ref. 27061], Marceniuk & Menezes in Menezes et al. 2003:42 [ref. 27192], Nelson et al. 2004:83 [ref. 27807], Kailola 2004:132 [ref. 28108], Betancur-R. & Acero P. 2005:54 [ref. 28341], Marceniuk 2005:97 [ref. 28718], McEachran & Fechhelm 2005:16 [ref. 28815], Marceniuk & Menezes 2007:45 [ref. 29031], Ferraris 2007:40 [ref. 29155], Betancur-R. et al. 2007:349 [ref. 29268], Marceniuk & Betancur-R. 2008:43 [ref. 29576], Marceniuk et al. 2012:78, 94 [ref. 31865], Marceniuk et al. 2012:666 [ref. 32225], Catelani et al. 2014:931 [ref. 37496], Marceniuk et al. 2017:39 [ref. 35324], Raz-Guzmán et al. 2018:344 [ref. 36407], Spier et al. 2018:7 [ref. 36103], Ribeiro et al. 2019:8 [ref. 36717], Koerber 2021:90, 93 [ref. 38172], Marceniuk in Marceniuk et al. 2021:164 [ref. 38945], Koerber et al. 2022:63 [ref. 39235], Carvalho-Filho 2023:72 [ref. 40480], Marceniuk et al. 2023:14 [ref. 40422], Vieira et al. 2023:20 [ref. 40759]). Current status: Valid as Cathorops spixii (Agassiz 1829). Ariidae: Ariinae. Distribution: Western Atlantic: Guyana south to Rio de Janeiro (Brazil). Habitat: freshwater, brackish, marine.