Biotodoma is a small genus of cichlids native to rivers in the Amazon, Orinoco and Essequibo basins in South America.
Species There are two currently recognized species in the genus, but additional cryptic species are known to exist.Carvalho, A.P.C., R.A. Collins, J.G. Martínez, I.P. Farias, and T. Hrbek (2019). From shallow to deep divergences: mixed messages from Amazon Basin cichlids. Hydrobiologia 832(1): 317–329.
Biotodoma cupido (Heckel, 1840) (green-streaked eartheater) Biotodoma wavrini (J. P. Gosse, 1963) (Orinoco eartheater)
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