Opal Allotoca

Allotoca is a genus of splitfins that are endemic to west-central and southwest Mexico, where restricted to the Lerna–Chapala–Grande de Santiago, Ameca and Balsas river basins, as well as various endorheic lake basins in Michoacán and Jalisco (Pátzcuaro, Zirahuén, Cuitzeo, Magdalena and others). All Allotoca species are seriously threatened. The largest Allotoca is up to 12 cm (4.

Allotoca est un genre de poissons de la famille des Goodeidae et de l'ordre des Cyprinodontiformes.

Allotoca es un género de peces de la familia Goodeidae, es endémico de México central.