Chalceus is a genus of characins from South America, where found in the Orinoco and Amazon Basins, as well as rivers in the Guianas. They typically reach a length of 20–25 cm (7.9–9.8 in) and are predatory, feeding on insects, small fish and alike. There are currently eight described species in this genus.
- Chalceus epakros Zanata & Toledo-Piza, 2004
- Chalceus erythrurus (Cope, 1870) (Tucan fish)
- Chalceus fasciatus Jardine, 1841
- Chalceus guaporensis Zanata & Toledo-Piza, 2004
- Chalceus latus Jardine, 1841
- Chalceus macrolepidotus G. Cuvier, 1818 (Pinktail chalceus)
- Chalceus spilogyros Zanata & Toledo-Piza, 2004
- Chalceus taeniatus Jardine, 1841
- Froese, Rainer, and Daniel Pauly, eds. (2011). Species of Chalceus in FishBase. October 2011 version.
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