Girardinichthys

Girardinichthys
Girardinichthys viviparus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Goodeidae
Subfamily: Goodeinae
Genus: Girardinichthys
Bleeker, 1860
Type species
Girardinichthys innominatus
Bleeker, 1860

Girardinichthys is a genus of splitfins that are endemic to Mexico. These highly threatened fish are native to the upper Lerma and Balsas basins, as well as water systems in the Valley of Mexico. Through man-made channels G. viviparus has been able to spread to the upper Pánuco River basin. These small fish reach up to 6.5 cm (2.6 in) in length. The name of this genus honours the American herpetologist and ichthyologist Charles Girard (1822-1895).

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