''Percarina'' is a genus of
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species.
The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...
in the family
Percidae
The Percidae are a family of ray-finned fish, part of the order Perciformes, which are found in fresh and brackish waters of the Northern Hemisphere. The majority are Nearctic, but there are also Palearctic species. The family contains more than ...
found in eastern Europe. The genus is the only taxon in the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
subfamily Percarininae,
which is characterised by having the first
dorsal fin
A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through conv ...
, having 9-11 spines and being widely separated from the second dorsal fin. They are thought to be closely related both to the
perch
Perch is a common name for fish of the genus ''Perca'', freshwater gamefish belonging to the family Percidae. The perch, of which three species occur in different geographical areas, lend their name to a large order of vertebrates: the Percif ...
es of the genus ''Perca'' and to the ruffes of the genus ''
Gymnocephalus
''Gymnocephalus'' is a genus of ray-finned fishes from the family Percidae, which includes the perches, pike-perches and darters. They are from the Western Palearctic area, although one species, ''Gymnocephalus cernua'' has been accidentally intr ...
''.
Species
There are currently two recognised species in the genus:
* ''
Percarina demidoffii''
Nordmann, 1840 (Common percarina)
* ''
Percarina maeotica''
Kuznetsov, 1888 (Azov percarina)
References
Percidae
Taxa named by Alexander von Nordmann
Taxonomy articles created by Polbot
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