''Biotoecus'' is a fish
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
cichlids from northern
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 one species ''(B. dicentrarchus)'' is found in the
Orinoco Basin
The Orinoco Basin is the part of South America drained by the Orinoco river and its tributaries. The Orinoco watershed covers an area of about 990000 km2, making it the third largest in South America, covering most of Venezuela and eastern p ...
and the other ''(B. opercularis)'' occurs in the northern part of the
Amazon Basin. These small cichlids do not surpass in length.
Species
The two recognized species in this genus are:
* ''
Biotoecus dicentrarchus''
S. O. Kullander, 1989
* ''
Biotoecus opercularis''
( Steindachner, 1875)
References
*
Geophagini
Cichlid genera
Taxa named by Carl H. Eigenmann
{{Cichlidae-stub