Gambusiini, also spelled Gambusini, is a

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

killifish A killifish is any of various oviparous (egg-laying) cyprinodontiform fish (including families Aplocheilidae, Cyprinodontidae, Fundulidae, Profundulidae and Valenciidae). All together, there are 1,270 species of killifish, the biggest family ...

es from the "livebearer"

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Poeciliidae The Poeciliidae are a family of freshwater fishes of the order Cyprinodontiformes, the tooth-carps, and include well-known live-bearing aquarium fish, such as the guppy, molly, platy, and swordtail. The original distribution of the family was t ...

. Their native range encompasses Central and much of North America, with a single species ''

Gambusia lemaitrei ''Gambusia'' is a large genus of viviparous fish in the family Poeciliidae (order Cyprinodontiformes). ''Gambusia'' contains over 40 species, most of which are principally found in freshwater habitats, though some species may also be found in b ...

'' occurring in South America. Some species have been widely introduced outside their native range and the

Eastern mosquitofish The eastern mosquitofish (''Gambusia holbrooki'') is a species of freshwater fish, closely related to the western mosquitofish, ''Gambusia affinis''. It is a member of the family Poeciliidae of order Cyprinodontiformes. The eastern mosquitofish ...

''Gambusia holbrooki'' is considered to be one of the 100 worst invasive species in the world and is responsible for declines in small native aquatic species worldwide.

Genera

The following general are classified in the tribe Gambusini: *Genus '' Belonesox'' Kner, 1860 *Genus ''

Brachyrhaphis ''Brachyrhaphis'' is a genus of poeciliids native to freshwater habitats in Central America. Most are restricted to Panama and Costa Rica, but ''B. holdridgei'' also occurs in Nicaragua and ''B. hartwegi'' is from Mexico and Guatemala. A recent p ...

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1913 *Genus ''

Gambusia ''Gambusia'' is a large genus of viviparous fish in the family Poeciliidae (order Cyprinodontiformes). ''Gambusia'' contains over 40 species, most of which are principally found in freshwater habitats, though some species may also be found in br ...

'' Poey, 1854 *Genus ''

Heterophallus ''Heterophallus'' is a genus of small poeciliids found near the coast in calm waters of river basins in southeastern Mexico. Species There are currently two or three recognized species in this genus: * '' Heterophallus echeagarayi'' (Álvarez, 1 ...

'' Regan, 1914

References

{{Taxonbar, From=Q21228568 Poeciliidae