''Bivibranchia'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
halftooths from
tropical
The tropics are the regions of Earth surrounding the equator, where the sun may shine directly overhead. This contrasts with the temperate or polar regions of Earth, where the Sun can never be directly overhead. This is because of Earth's ax ...
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
, with five recognized species:
* ''
Bivibranchia bimaculata''
Vari
Vari () is a southern suburb of Athens and former municipality in East Attica, Greece along the Athens coast. The ancient Athenian deme of Anagyrous was situated here.
Since the 2011 local government reform it is part of the municipality Vari-Vo ...
, 1985
* ''
Bivibranchia fowleri''
( Steindachner, 1908)
* ''
Bivibranchia notata''
Vari & Goulding, 1985
* ''
Bivibranchia simulata''
Géry, Planquette & Le Bail, 1991
* ''
Bivibranchia velox''
( C. H. Eigenmann & G. S. Myers, 1927)
References
Hemiodontidae
Characiformes genera
Taxa named by Carl H. Eigenmann
Fish of South America
{{Characiformes-stub