Duopalatinus
| Duopalatinus | |
|---|---|
| File:Duopalatinus emarginatus by André Koehne.png | |
| Duopalatinus emarginatus | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Pimelodidae |
| Genus: | Duopalatinus Eigenmann & Eigenmann, 1888 |
| Type species | |
| Platystoma emarginatum Valenciennes, 1840
| |
Duopalatinus is a small genus of long-whiskered catfishes native to South America.
Species
[edit | edit source]There are currently two recognized species in this genus:[1]
- Duopalatinus emarginatus (Valenciennes, 1840)
- Duopalatinus peruanus Eigenmann & Allen, 1942
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.[2]
Duopalatinus species are distributed in South America. D. emarginatus inhabits the São Francisco River basin.[3] D. peruanus is found in the Amazon and Orinoco River basins.[4]
Duopalatinus species grow to about 14–15 centimetres (5.5–5.9 in) SL.[3][4]
References
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