(Nosferatu labridens)
Nosferatu labridens, the Curve-bar cichlid, is a species of cichlid endemic to the Laguna Media Luna, and headwaters of the Río Verde (upriver from the waterfalls of Pinihuán), in the state of San Luis Potosí, between 1,000 and 1,100 meters above sea level, in the Panuco River basin of Mexico. It reaches a maximum size of 25 centimetres (9.8 in) TL.