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Labeobarbus

From Wikipedia, the free encyclopedia

Not to be confused with Labiobarbus.

Labeobarbus
Clanwilliam yellowfish (Labeobarbus seeberi)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Cyprininae
Genus: Labeobarbus
Rüppell, 1835
Type species
Labeobarbus nedgia
Rüppell, 1835
Diversity
See text
Synonyms

Labeobarbus is a mid-sized ray-finned fish genus in the family Cyprinidae. Its species are widely distributed throughout eastern Africa and especially southern Africa, but also in Lake Tana in Ethiopia. A common name, in particular for the southern species, is yellowfish. The scientific name refers to the fact that these large barbs recall the fairly closely related "carps" in the genus Labeo in size and shape. As far as can be told, all Labeobarbus species are hexaploid.[1] One species, L. microbarbis from Rwanda, is known to have gone extinct in recent times.

Systematics

Like many other "barbs", it was long included in Barbus. It appears to be a fairly close relative of the typical barbels and relatives – the genus Barbus proper – but closer still to the large Near Eastern species nowadays separated in Carasobarbus. Barbus has been split to account for the improved phylogenetic knowledge which indicated it was highly paraphyletic in its wide circumscription; it may be that Carasobarbus and some other closely related "barbs" (e.g. Labeobarbus reinii) are now included in Labeobarbus to avoid a profusion of very small genera.[2]

The taxonomy of many species in the "wastebin genus" Barbus has recently been re-evaluated. Though hybrid introgression may confound studies based in mtDNA data alone, a number of these species appear to be so closely related to Labeobarbus as to warrant inclusion in the present genus outright, irrespective of whether Carasobarbus is considered distinct or not. These include L. ethiopicus.[2]

Species

Labeobarbus at present contains the following species:

Footnotes

  1. ^ de Graaf et al. (2007), IUCN (2009)
  2. ^ a b de Graaf et al. (2007)

References

  • Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Labeobarbus in FishBase. August 2011 version.
  • de Graaf, Martin; Megens, Hendrik-Jan; Samallo, Johannis & Sibbing, Ferdinand A. (2007): Evolutionary origin of Lake Tana's (Ethiopia) small Barbus species: indications of rapid ecological divergence and speciation. Anim. Biol. 57(1): 39–48. doi:10.1163/157075607780002069 (HTML abstract)
  • International Union for the Conservation of Nature and Natural Resources (IUCN) (2009): 2009 IUCN Red List of Threatened Species. Version 2009.1. Retrieved 2009-SEP-20.
This page was last edited on 14 December 2023, at 22:28
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