''Nosferatu pame'', previously placed in the genus ''

Herichthys ''Herichthys'' is a small genus of cichlid fishes. Most are endemic to Mexico, but '' H. cyanoguttatus'' is also found in southern Texas (United States), and has been introduced to central Texas and Florida. In 2015, the genus was split, and 7 ...

'', also known as labridens 'white' or mojarra caracolera blanca in Spanish, is a species of cichlid "endemic to the main stem and tributaries of the Rio Gallinas, including Rio Tamasopo, Ojo Frío, and Agua Buena, upriver from the Tamul cascade" in the Pánuco River Basin, San Luis Potosí, Mexico. "This species is distinguished by its predorsal contour being gradual and acute, not concave before eye; dorsal and ventral contours straight to moderately convex, sloping slowly; intersection with caudal peduncle inconspicuous; mouth slightly angled downward. Ground color khaki when alive; snout, head, and opercles heavily dotted with tiny speckles, extending posteriorly onto nuchal area and base of dorsal fin. Eye diameter small (mean 23%, SD 1%), snout long (mean 39%, SD 2%), and cheeks shallow (mean 29%, SD 2%) (all in HL). Lower pharyngeal plate stout and much broader than long; horns short with lightly pigmented stout molars, 2 central rows of 6–7 molars flank the midline, posterior-most 3 big and stout. The peritoneum uniformly very dark." It is found sympatric with ''Herichthys tamasopoensis'' and ''N. steindachneri''

References

pame Freshwater fish of Mexico Endemic fish of Mexico Pánuco River Natural history of San Luis Potosí Cichlid fish of North America Fish described in 2013 Taxa named by Mauricio De la Maza-Benignos Taxa named by María de Lourdes Lozano-Vilano {{Cichlidae-stub