Cetopsis parma Oliveira, Vari & Ferraris, 2001
Identification: Cetopsis parma can be distinguished from all of its congeners by the combination of the presence of an eye, the conical teeth on the vomer and the dentary, the rounded posterior nares which is distinctly separated from the contralateral nares by a distance greater than the width of the posterior nares, the dark humeral spot, the pattern of a darkly pigmented pectoral and pelvic fins other than for thin, clear margins, and the possession of 23 to 25 total anal-fin rays. Maximum size: 180 mm SL.
Range: Cetopsis parma is only known from three definite localities in the western portions of the Amazon basin in Brazil, Ecuador, and Peru.
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.