Cnesterodontini 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 is in the discipline of anthropology. This definition is contested, in part due to confl ...

of fishes which are within the subfamily

Poeciliinae Poeciliinae is a subfamily of killifish from the Family (biology), family Poeciliidae which contains species from the Americas which are collectively known as the livebearers because many, but not all, of the species within the subfamily are ovov ...

of the

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

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 wa ...

. This tribe is distinguished from other tribes in the Poeciliinae by the males having five rays in the

pelvic fin Pelvic fins or ventral fins are paired fins located on the ventral surface of fish. The paired pelvic fins are homologous to the hindlimbs of tetrapods. Structure and function Structure In actinopterygians, the pelvic fin consists of two e ...

, there is a pedicle at the base of the third ray which joins it to the fourth ray, another pedicle at the third rays tip and a membrane there too.

Genera

The following genera are included within the tribe: * ''

Cnesterodon ''Cnesterodon'' is a genus of poeciliids native to South America. Species There are currently 10 recognized species in this genus: * '' Cnesterodon brevirostratus'' R. de S. Rosa & W. J. E. M. Costa, 1993 * '' Cnesterodon carnegiei'' Hasem ...

'' Garman, 1895 * '' Phalloceros''

Eigenmann Eigenmann is a surname. Notable persons with that surname include: * Andi Eigenmann (born 1990), Filipino actress * Carl H. Eigenmann (1863–1927), German–American ichthyologist, husband of Rosa Eigenmann * Eduardo de Mesa Eigenmann, birth name ...

, 1907 * '' Phalloptychus'' Eigenmann, 1907 * ''

Phallotorynus ''Phallotorynus'' is a genus of poeciliids native to southern Brazil, northern Argentina, and Paraguay. Species There are currently six recognized species in this genus: * ''Phallotorynus dispilos'' Lucinda, R. de S. Rosa & R. E. dos Reis, 20 ...

Henn Henn is a both a surname and an Estonian masculine given name. Notable people with the surname include: ;As a given name: * Henn-Ants Kurg (1898–1943), Estonian military colonel and diplomat * Henn Pärn (born 1941), Estonian politician * ...

, 1916 * ''

Tomeurus ''Tomeurus gracilis'' is a species of poeciliid fish native to South America, in Brazil, Surinam and Venezuela. This species grows to a length of TL. It is the only known member of its genus. This species is classified in the tribe Cnesterod ...

'' Eigenmann, 1909 Other workers include only ''Cnestrodon'', ''Phallotorynus'' and ''Phalloceros'' while putting Tomerues in its own tribe, the Tomeurini, and ''Phalloptychus'' into a new tribe called Girardinini along with the genera ''

Girardinus ''Girardinus'' is a genus of poeciliids native to Cuba. The name of this genus honours the French zoologist Charles Frédéric Girard Charles Frédéric Girard (8 March 1822 – 29 January 1895) was a French biologist specializing in ichthyol ...

'', '' Phallichthys'', '' Xenophallus'' and ''

Poeciliopsis ''Poeciliopsis'' is a genus of poeciliid fishes that primarily are native to Mexico and Central America. The only exceptions are ''P. turrubarensis'' where the range extends into Colombia, and ''P. occidentalis'' where the range extends into Ari ...

''.

References

{{Taxonbar, From=Q5775601 Poeciliidae Fish tribes