Sturisomatichthys is a genus of armored catfishes native to Central and South America.

[4] Sexual dimorphism and reproductive biology of Sturisomatichthys similar to Sturisoma.

Sturisomatichthys is distinguished from Sturisoma primarily by the absence of a rostrum.

The weakness of this diagnostic feature could lead to the synonymy of Sturisomatichthys with Sturisoma.

[4] Sturisomatichthys species grow to about 18–25 centimetres (7.1–9.8 inches) in length.