Revised 24 Nov. 2025
PDF version (illustrated)

Chalceus Cuvier 1818 Latin for brazen or of brass, or “occasionally golden” (“quelquefois à la dorée”) per Cuvier, referring to “golden brown” (translation) scales of C. macrolepidotus

Chalceus epakros Zanata & Toledo-Piza 2004 épakros, Greek (ἔπακρος) for “pointed at the end,” referring to relatively longer and more acute snout compared with congeners

Chalceus erythrurus (Cope 1870) red-tailed, from erythrós (ἐρυθρός), red, and ourá (οὐρά), tail, referring to red caudal fin

Chalceus guaporensis Zanata & Toledo-Piza 2004 –ensis, Latin suffix denoting place: Rio Guaporé, Bolivia, one of three rivers in which it occurs (the other two are in Brazil and Peru)

Chalceus macrolepidotus Cuvier 1818 macro-, from makrós (μaκρóς), long or large; lepidōtós (λεπιδωτός), scaly, referring to its “extremely large” (translation) scales

Chalceus spilogyros Zanata & Toledo-Piza 2004 spílos (σπίλος), mark or spot; gȳ́ros (γῦρος), a circle, referring to rounded humeral spot