There are currently nine species
in this genus which are poorly known and documented.
Type species is Cetopsorhamdia nasus Eigenmann
& Fisher, 1916. Description:
The genus Cetopsorhamdia is documented as
having the frontal fontanel small and far removed
from the long parietal fontanal. The first dorsal
and pectoral rays are not spinous. Bottom lobe of
the caudal fin is longer and the adipose fin is three
times as long as high, and its base is longer than
that of the anal fin. Small to midsized genus (3-12cm).
Aquarium Care: The larger species
are most likely predatory of smaller fish in the aquarium
as per their close relatives of the Pimelodidae family
but this is a small species of only 3.5cm. SL.
Magdalena, Orinoco and Tocantins River basins: Colombia,
Venezuela and northern Brazil.
Bockmann, F.A. and
2003 Heptapteridae (Heptapterids). p. 406-431. In
R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.)
Checklist of the Freshwater Fishes of South and Central
America. Porto Alegre: EDIPUCRS, Brasil. Froese, R. and D. Pauly. Editors.
2009. FishBase. World Wide Web electronic publication.
www.fishbase.org, version (02/2016).