Ectodini 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 ...

cichlid Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted this ...

s that are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Lake Tanganyika Lake Tanganyika () is an African Great Lake. It is the second-oldest freshwater lake in the world, the second-largest by volume, and the second-deepest, in all cases after Lake Baikal in Siberia. It is the world's longest freshwater lake. ...

East Africa East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa: Due to the historical ...

. They live in the

benthic zone The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from ancient Greek, βένθος (bénthos), meaning " ...

. Most of the

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

in this tribe are

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

. These fishes show diverse morphology and behaviour and the tribe includes taxa which live in sandy, muddy and rocky habitats.

Genera

The following genera are classified in the tribe Ectodini: * '' Aulonocranus''

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'' ...

, 1920 * '' Callochromis'' Regan, 1920 * '' Cardiopharynx''

Poll Poll, polled, or polling may refer to: Figurative head counts * Poll, a formal election ** Election verification exit poll, a survey taken to verify election counts ** Polling, voting to make decisions or determine opinions ** Polling places o ...

, 1942 * '' Cunningtonia''

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858–1 ...

, 1906 * '' Cyathopharynx'' Regan, 1920 * '' Ectodus'' Boulenger, 1898 * '' Grammatotria'' Boulenger, 1899 * '' Lestradea'' Poll, 1943 * ''

Ophthalmotilapia ''Ophthalmotilapia'' is a small genus of four cichlid species endemic to Lake Tanganyika in East Africa. Species There are currently four recognized species in this genus: * '' Ophthalmotilapia boops'' ( Boulenger, 1901) * '' Ophthalmotilapia ...

'' Pellegrin, 1904 * ''

Xenochromis ''Xenochromis hecqui'' is a species of cichlid endemic to Lake Tanganyika in East Africa. It is mainly found at depths of , but has been recorded somewhat deeper, even in waters virtually devoid of oxygen.Lowe-McConnell, R.H. (1987). Ecological S ...

'' Boulenger, 1899 * ''

Xenotilapia ''Xenotilapia'' is a genus of cichlids species endemic to Lake Tanganyika in east Africa. The International Union for Conservation of Nature (IUCN) has assessed 16 ''Xenotilapia'' species; one of them is considered " Vulnerable" ('' Xenotilapia ...

'' Boulenger, 1899

References

External links

Pseudocrenilabrinae Cichlid fish of Africa * Fish tribes {{cichlid-stub