Cetopsis candiru Spix & Agassiz, 1829
Identification: Cetopsis candiru can be distinguished from all of its congeners by the combination of its relatively shallow body at the origin of the dorsal fin (0.20 of SL or less versus 0.22 of SL or more, respectively) and the form of the teeth on the vomer and dentary (incisiform versus conical, respectively). Maximum size: 263 mm SL.
Range: Cetopsis candiru is widely distributed through the Amazon basin in Bolivia, Brazil, and Peru based on examined specimens and has been reported from eastern Ecuador.
Information from Vari, R. P., C. J. Ferraris Jr. & M. C. C. de Pinna. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology 3:127-238.