Herichthys carpintis

Herichthys carpintis, the lowland cichlid, pearlscale cichlid, is a species of cichlid.

Taxonomy
It is related to the Texas cichlid, with which it forms viable hybrid offspring. These hybrids are an invasive species in Louisiana.

Distribution and habitat.
It is endemic to eastern Mexico where it occurs in the Pánuco River drainage, and the Soto La Marina River in northeastern Mexico, its type locality is the Laguna del Carpinte, near Tampico in Tamaulipas, which is alluded to in the specific name.

Description
It reaches a maximum size of 17 cm SL. It is popular in the aquarium trade.