Herichthys carpintis, the lowland cichlid, pearlscale cichlid or green Texas cichlid, is a species of cichlid. It is endemic to eastern Mexico where it occurs in the Pnuco River drainage, and the Soto La Marina River in northwestern Mexico, its type locality is the Laguna del Carpinte, near Tampico in Tamaulipas, which is alluded to in the specific name.