Tetranematichthys

Tetranematichthys is a genus of driftwood catfishes found in tropical South America.

Species
There are currently three described species in this genus.
 * Tetranematichthys barthemi L. A. W. Peixoto & Wosiacki, 2010
 * Tetranematichthys quadrifilis (Kner, 1858)
 * Tetranematichthys wallacei Vari & Ferraris, 2006