Duopalatinus

Duopalatinus is a small genus of long-whiskered catfishes native to South America.

Duopalatinus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Pimelodidae
Genus: Duopalatinus
Eigenmann & Eigenmann, 1888
Type species
Platystoma emarginatum

Species

There are currently two recognized species in this genus:[1]

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]

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References
  1. Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Duopalatinus in FishBase. February 2012 version.
  2. 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.
  3. Froese, Rainer and Pauly, Daniel, eds. (2007). "Duopalatinus emarginatus" in FishBase. June 2007 version.
  4. Froese, Rainer and Pauly, Daniel, eds. (2007). "Duopalatinus peruanus" in FishBase. June 2007 version.


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