''Rhamdiopsis'' is a genus of
three-barbeled catfish
The Heptapteridae, or three-barbeled catfishes, are a family of catfish that originate from the Americas. Most species are restricted to South America, but '' Imparfinis lineatus'', '' Nemuroglanis panamensis'' and '' Pimelodella chagresi'' are ...
es native to
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
where they 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 ...
to
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
. One species, ''R. krugi'', is
troglobitic
A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves. These are separate from species that mainly live in above-ground habitats but are also able to live u ...
.
Species
There are currently three recognized species in this genus:
* ''
Rhamdiopsis krugi
''Rhamdiopsis'' is a genus of three-barbeled catfishes native to South America where they are endemic to Brazil. One species, ''R. krugi'', is troglobitic
A troglobite (or, formally, troglobiont) is an animal species, or population of a specie ...
''
Bockmann & R. M. C. Castro, 2010
* ''
Rhamdiopsis microcephala''
( Lütken, 1874)
* ''
Rhamdiopsis moreirai''
Haseman, 1911
References
Heptapteridae
Fish of South America
Fish of Brazil
Endemic fauna of Brazil
Catfish genera
Freshwater fish genera
{{Siluriformes-stub