Duopalatinus articles - Encyclopedia of Life

Duopalatinus

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

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]

^ 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. S2CID 86213152.
^ ^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.