Live-bearing tooth-carp - These fish are native to the watershed of the Gulf of Mexico, where it has long been known that they feed readily on the aquatic larval and pupal stages of mosquitoes.
Amistad gambusia - The Amistad gambusia was a small fish known only to occur in Goodenough Spring, Val Verde County, Texas, a tributary of the Rio Grande.
Dominican gambusia - The Dominican gambusia, Gambusia dominicensis, is a species of freshwater fish.
Guayacon Bocon - This species reaches a maximum overall length of approximately 3.
Big Bend gambusia - The big bend gambusia is a species of fish in the Poeciliidae family.
San Marcos gambusia - The San Marcos Gambusia is typically less than 1.
Eastern mosquitofish - Eastern mosquitofish were introduced to Australia to control mosquitoes, when in reality various small Australian native fish were already keeping mosquitoes to a minimal level.
Cuban gambusia - This species has the terminal, upward-facing mouth typical of surface feeders, and a protruding belly.