''Gogo brevibarbis'' is a species of

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

in the family Anchariidae. It is commonly referred to as the vaona though this name also refers to ''

Ancharius fuscus ''Ancharius fuscus'' is a species of catfish in the family Anchariidae. It is commonly referred to as the vaona but this name also refers to ''Gogo brevibarbis''. It is endemic to Madagascar where it is found in the eastern draining rivers. Its ...

''. It is

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 ...

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

where it is only known from the

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several ...

, which is apparently from the

Mananjary River The Mananjary River is located in southern Madagascar, in the region of Vatovavy. It drains to the eastern coast, into the Indian ocean. It serves as the southern edge of the territory known as Betsimisaraka.Helen Chapin Metz, ed., Madagascar: ...

basin. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

s. It is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

. It grows to a length of 25 cm.

References

* * Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop 2004.
Ancharius brevibarbis

2006 IUCN Red List of Threatened Species.
Downloaded on 3 August 2007. Anchariidae Freshwater fish of Madagascar Taxa named by George Albert Boulenger Fish described in 1911 {{siluriformes-stub