Zoogoneticus is a genus of splitfins that are endemic to the Lerma–Chapala–Grande de Santiago, Armería, Ameca, Cuitzeo and Zacapu basins in west-central Mexico. They inhabit lakes, streams, ponds, canals and ditches, and prefer shallow waters with no or only a moderate current. They are predators that feed on small invertebrates. Zoogoneticus are fairly small fish, reaching up to 8 cm (3 in) in total length.

...