Duopalatinus
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| Genus: | Duopalatinus |
Duopalatinus is a small genus of long-whiskered catfishes native to South America.
Species
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
- ^ Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Duopalatinus in FishBase. February 2012 version.
- ^ Lundberg, John G.; Parisi, Béatrice M. (2002). "Propimelodus, new genus, and redescription of Pimelodus eigenmanni Van der Stigchel 1946, a long-recognized yet poorly-known South American catfish (Pimelodidae: Siluriformes)" (PDF). Proceedings of the Academy of Natural Sciences of Philadelphia. 152: 75–88. doi:10.1635/0097-3157(2002)152[0075:PNGARO]2.0.CO;2.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2007). "Duopalatinus emarginatus" in FishBase. June 2007 version.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2007). "Duopalatinus peruanus" in FishBase. June 2007 version.
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