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Nematogenys inermis (Guichenot, 1848)

Image contributors to this species:

Iván Valdebenito Isler (2) Original source (1) labrigo (1) J. H. Richard (2)

ScotCat Sources:

Other Sources:

Relevant Information:

Contains only this single genus, Nematogenys, which contains a single species, N. inermis. Description: N. inermis has no adipose fin and and the caudal fin is short and rounded. Habitat: The genus is endemic to some rivers in Chile. The common name for this species is "Mountain Catfish". Previously in the Trichomycteridae family and is very rare in the aquatic hobby. There was a fossil which was found and described from the Miocene, continental fluviolacustrine deposits of the upper Cura–Mallín Formation (37–39°S), Chile (Azpelicueta & Rubilar, 1997). This species was named as Nematogenys cuivi. Remarks: There is not much information on keeping this species in the aquarium.

Common Name:

Mountain Catfish

Synonyms:

Trichomycterus inermis, Nematogenys nigricans, Nematogenys pallidus

Family:

Nematogenyidae

Distribution:

South America: Isolated localities in Concepción, Rancagua and Angol, Chile. Formerly widespread throughout much of Central Chile. Type locality: Chile.

Size:

24.0cm (9¾ins)

Temp:

18-24°C (63-75°F)

p.H.

6.7-7.2.

Reference:

Burgess, W.E. 1989 An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p.
de Pínna, M.C.C., 2003. Nematogenyidae (mountain catfishes). p. 268-269. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Froese, R. and D. Pauly. Editors. 2017. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 02/2017 ).
Wikimedia Commons (Girard, Charles. Contributions to the fauna of Chile 1858)

Family: Nematogenyidae Back to Ident-A-Cat Click on Thumbnails

Nematogenys inermis
Dorsal head view

Nematogenys inermis
Ventral mouth view

Nematogenys inermis
Line drawing

Nematogenys inermis
Calle Gerona 2092, Chillán, Bío-Bío, CL

Nematogenys inermis
Line drawing

Nematogenys inermis
Dorsal view-Line drawing

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