''Hemiancistrus medians'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
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
Loricariidae
The Loricariidae is the largest family of catfish (order Siluriformes), with 92 genera and just over 680 species. Loricariids originate from freshwater habitats of Costa Rica, Panama, and tropical and subtropical South America. These fish are not ...
. It is 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 sout ...
, where it occurs in the
Maroni basin. This species is usually found in rapids with a strong current and a substrate of large, shelter-providing rocks. It is known to coexist with the species
''Bryconops caudomaculatus'', ''
Chasmocranus longior'', ''
Harttia surinamensis'', ''
Hypostomus gymnorhynchus'', ''
Jupiaba meunieri
''Jupiaba'' is a genus of characins from South America. with 27 currently described species:
* '' Jupiaba abramoides'' ( C. H. Eigenmann, 1909)
* '' Jupiaba acanthogaster'' (C. H. Eigenmann, 1911)
* '' Jupiaba anteroides'' (Géry, 1965)
* '' Jup ...
'', ''
Leporinus granti'', and ''
Parodon guyanensis''.
This species is large for a loricariid, reaching 39 cm (15.4 inches) in total length.
References
Ancistrini
Fish described in 1854
{{Loricariidae-stub