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Duopalatinus peruanus Eigenmann & Allen, 1942

Image contributors to this species:

Peru Aquarium Group (1) Hitomi Torrico-Destre et al. 2024 (3)

ScotCat Sources:

Other Sources:

Relevant Information:

There are two species in this genera, D. peruanus and D. emarginatus. Description: Duopalatinus is classified under the "Calophysus-Pimelodus clade". Within this clade, it is considered a part of the "Pimelodus-group" of Pimelodids, which also includes Pimelodus, Exallodontus, Cheirocerus, Iheringichthys, Bergiaria, Bagropsis, Parapimelodus, Platysilurus, Platystomatichthys, and Propimelodus. Habitat: Present in the Orthon sub-basin (Amazon Basin). Also recorded in the Madre de Dios and Beni sub-basins (Amazon Basin) (Torrico et al. 2020). Colouration: Body and head pale grey, with the dorsal region slightly darker. Ventral region whitish. Adipose fin pale grey; all other fins yellowish. Etymology: The specific name peruanus: Meaning belonging to Peru.

Common Name:

None

Synonyms:

None

Family:

Pimelodidae

Distribution:

South America: Amazon and Orinoco River basins. Type locality: Rio Puinagua, mouth of Rio Pacaya [Río Ucayali system, Peru].

Size:

15.0cm. (6ins)

Temp:

22-25°C (71-77°F)

p.H.

6.0-7.0.

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa.
Froese, R. and D. Pauly. Editors. 2019. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 12/2019 ).
Hitomi Torrico-Destre, Matías Careaga, Mabel Maldonado, Fernando M. Carvajal-Vallejos, Revision of the catfish family Pimelodidae (Teleostei: Siluriformes) of Bolivia, Neotropical Hydrobiology & Aquatic Conservation (2024) Vol. 5 (2).
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25.
The ETYFish Project Fish Name Etymology Database © Christopher Scharpf.

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

Duopalatinus peruanus
Juvenile

Duopalatinus peruanus
Manuripi River, Puerto Cárdenas, Orthon sub-basin, Amazon Basin

Duopalatinus peruanus
Dorsal view-Manuripi River, Puerto Cárdenas, Orthon sub-basin, Amazon Basin

Duopalatinus peruanus
Ventral view-Manuripi River, Puerto Cárdenas, Orthon sub-basin, Amazon Basin

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