Auchenipterus nigripinnis
Boulenger, 1895
nigro (lat.) - black, pinna (lat.) - fin
Synonyms
Palmitinho
Auchenipterus paysanduanus
Euanemus nigripinnis
Hai-Trugdornwels
Paraguay Shark-cat
Auchenipterus paysanduanus
Euanemus nigripinnis
Hai-Trugdornwels
Paraguay Shark-cat
least concern
Length (total)
approx. 25 cm
Standard length (documented)
220.0 mm
Recommended tank size
150 cm
Mato Grosso, Rio Grande do Sul, Chaco, Entre Ríos, Paysandú
Argentina, Brazil, Paraguay, Uruguay
río Paraná | río Uruguay ⇒ río de la Plata ➙ Atlantic SE
˜[ -23.897,-57.293 ]
insects
Eats plants
not known
unknown
present
36 - 37 soft rays
slightly incised / concave, pointed
fin edging: white
I / 6 rays
fin edging: white
36 - 37 soft rays
slightly incised / concave, pointed
fin edging: white
I / 6 rays
fin edging: white
Sympatric with
Not on the positive list of Brazil in 2012 : The positive list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 473
- Boulenger, G.A., 1895 "Fishes from Matto Grosso and Paraguay" (Proceedings of the Zoological Society of London, Vol. 4, P. 524)
- Ferraris, C.J., Jr. & Vari, R.P., 1999 "The South American catfish genus Auchenipterus Valenciennes, 1840 (Ostariophysi: Siluriformes: Auchenipteridae): monophyly and relationships, with a revisionary study" (Zoological Journal of the Linnean Society, Vol. 126 No. 4, P. 429)
- Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)" (Zootaxa, Vol. 1418, P. 72)
- Bertaco, V.A.; Ferrer, J.; Carvalho, F.R. & Malabarba, L.R., 2016 "Article Inventory of the freshwater fishes from a densely collected area in South America —a case study of the current knowledge of Neotropical fish diversity" (Zootaxa, Vol. 4138 No. 3, P. 416)
- Nión, H.; Rios, C. & Meneses, P., 2016 "Peces del Uruguay - Lista sistemática y nombres comunes"
- Gimênes Junior, H. & Rech, R. , 2022 "Guia ilustrado dos peixes do Pantanal e entorno"
- Malabarba, L.R.;Hirschmann,A.; Lucena,C.A.S. de; Giora,J.; Wingert,J.M.; Ferrer,J.; Silva,P.C ; Angrizani,R.C.; Costa Ramos,R. da; Kullander,S.; Carvalho,T.P.; Bertaco,V.; Fialho,C.B. & Bonato,K.O., 2025 "Guia Peixes do Bioma Pampa"
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Many thanks to
for the pictures
1, 2
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Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=1765
1765
12.11.2025