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.
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 ). Ortega, H. and R.P. Vari, 1986. Annotated
checklist of the freshwater fishes of Peru. Smithson.
Contrib. Zool. (437):1-25.
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