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
References