Cichlastomatini 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 confli ...

cichlids 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 th ...

from South America, one of two tribes that make up the subfamily Cichlasomatinae. They were recognised in 1983 as an assemblage by the

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

ichthyologist

Sven O. Kullander Sven Oscar Kullander (born 30 November 1952 in Sollefteå) is a Swedish biologist specialised in ichthyology. He primarily researches cichlids – notably the genus ''Apistogramma'' and the ''Cichlasoma''-complex – and other tropical fresh ...

by their four rather than five 5 dentary foramina in the lateralis canal system of the head, describing them as closely related to the genus ''

Cichlasoma ''Cichlasoma'' is a genus of freshwater fish in the cichlid family. The genus was previously very large (a wastebasket taxon), including cichlids from North America, including Central America, and South America. Reclassification and subsequent ...

''.

Melanie Stiassny Melanie Lisa Jane Stiassny (born 17 January 1953 in Bielefeld, Germany) is the Axelrod Research Curator of Ichthyology at the American Museum of Natural History. Her research interests focus on freshwater biodiversity documentation and systema ...

suggested that these fishes recognised as a clade by Kullander were divided into two groupings in 1991 which she termed cichlasomines and heroines, Kullander formally raised these to the tribes Cichlasomatini and

Heroini Heroini is a fish tribe from the Cichlasomatinae subfamily in the cichlid family. All cichlids native to the Greater Antilles, United States (southern Texas), Mexico and northern Central America are members of this tribe. It also includes most ...

of the subfamily Cichlasomatinae in 1999. In other classifications the tribe Cichlasomatini is placed in the subfamily Cichlinae. Abstract

Characteristics

The members of the Cichlasomatini are characterised most obviously by the possession of relatively large scales, especially shown in the arrangement of the scales in front of the

dorsal fin A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through c ...

where there are eight scales along midline rather than over 10 scales. Stiassny posited in 1991 that laying eggs in a tight circular clutch was a

synapomorphy In phylogenetics, an apomorphy (or derived trait) is a novel character or character state that has evolved from its ancestral form (or plesiomorphy). A synapomorphy is an apomorphy shared by two or more taxa and is therefore hypothesized to hav ...

of the cichlasomines.

Genera

The following genera are considered to be classified under the tribe Cichlasomatini: * ''

Acaronia ''Acaronia'' is a small genus of cichlids found in the Amazon, Orinoco and other basins in northern South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relativel ...

Myers Myers as a surname has several possible origins, e.g. Old French ("physician"), Old English ("mayor"), and Old Norse ("marsh"). People * Abram F. Myers (born 1889), chair of the Federal Trade Commission and later general counsel and board ch ...

, 1940 * ''

Aequidens ''Aequidens'' is a genus of fish in the family Cichlidae found in South America. Formerly a wastebasket genus, as presently defined ''Aequidens'' is largely restricted to the Amazon Basin, Orinoco Basin and river basins in The Guianas. The only e ...

'' C. H. Eigenmann & W. L. Bray, 1894 * ''

Andinoacara ''Andinoacara'' is a genus of fish in the family Cichlidae. The genus was described in 2009.Musilova, Rican and Novak, 2009''Phylogeny of the Neotropical cichlid fish tribe Cichlasomatini (Teleostei: Cichlidae) based on morphological and molecula ...

'' Musilová, Říčan &

Novák Novak (in Serbo-Croatian and Slovene; Cyrillic: ), Novák (in Hungarian, Czech and Slovak), Nowak or Novack (in German and Polish), is a surname and masculine given name, derived from the Slavic word for "new" (e.g. pl, nowy, cz, nový, s ...

, 2009 * ''

Bujurquina ''Bujurquina'' is a genus of cichlid fish endemic to South America. Most species in the genus are restricted to the western Amazon Basin. The only exceptions are ''B. mariae'' from the Orinoco Basin, and ''B. oenolaemus'' and ''B. vittata'' from ...

'' S. O. Kullander, 1986 * ''

'' Swainson, 1839 * '' Cleithracara'' S. O. Kullander & Nijssen 1989 * ''

Ivanacara ''Ivanacara'' are a genus of cichlid fishes from tropical South America. This genus was identified as a new in 2006, but many authorities do not recognize it and maintain its species in '' Nannacara''. Species * '' Ivanacara adoketa'' ( Kullande ...

Römer The Römer (German surname, "Roman") is a medieval building in the Altstadt of Frankfurt am Main, Germany, and one of the city's most important landmarks. The Römer is located opposite the Old St. Nicholas church and has been the city hall ('' ...

& Hahn, 2006 * '' Krobia'' S. O. Kullander & Nijssen, 1989 * ''

Laetacara ''Laetacara'' is a small genus of cichlids native to freshwater habitats in tropical and subtropical South America, ranging from the upper Orinoco River basin in Venezuela to the Paraná River basin Argentina.Linke H, Staeck L (1994) ''American c ...

'' S. O. Kullander, 1986 * ''

Nannacara ''Nannacara'' is a genus of small freshwater cichlid fish endemic to South America. The genus is part of the Cichlasomatini tribe of the Cichlasomatinae subfamily. In the aquarium hobby, the fish is considered a dwarf cichlid along with ''Apistog ...

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'' ...

, 1905 * '' Rondonacara'' Ottoni & Mattos, 2015 * ''

Tahuantinsuyoa ''Tahuantinsuyoa'' is a small genus of cichlids endemic to Peru where they are found in the Amazon Basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an a ...

'' S. O. Kullander, 1986

References

{{Taxonbar, From=Q56342546 Cichlasomatinae Cichlinae