Chapultepec Splitfin

Girardinichthys est un genre de poisson de la famille des Goodeidae et de l'ordre des Cyprinodontiformes. Répartition Les 3 espèces de ce genre sont endémiques du Mexique.

The Chapultepec splitfin (Girardinichthys viviparus), known locally as mexcalpique, is a critically endangered species of fish in the family Goodeidae. It is endemic to Mexico and was originally restricted to lakes and wetlands in the Valley of Mexico, including Lake Texcoco. Through man-made channels it was able to spread to the upper Pánuco River basin (notably Tula River and associated reservoirs).

El mexclapique (Girardinichthys viviparus)​ es una especie de pez actinopeterigio de agua dulce,​ de la familia de los goodeidos. ​ Es pescado con importancia comercial pequeña; se vende como pescado seco. ​ Antiguamente era el pescado usado para elaborar el tlapique o mextlapique, de ahí su nombre.