''Polycentrus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of small fish belonging to the family

Polycentridae Leaffishes are small fishes of the family Polycentridae. According to FishBase, it only includes the genera '' Monocirrhus'' and '' Polycentrus'' from fresh and brackish water in tropical South America. Although included in the Asian leaffish fam ...

. They are found in fresh and

brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...

water in northern South America and

Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...

Species

There are currently 2 recognized species in this genus: * '' Polycentrus jundia'' Coutinho & Wosiacki, 2014 * ''

Polycentrus schomburgkii ''Polycentrus schomburgkii'', also known as the Guyana leaffish is a species of fish belonging to the family Polycentridae. It inhabits fresh and brackish waters, both clear and turbid, of the northeastern part of South America and Trinidad. It ...

'' Müller & Troschel, 1849 (Guyana leaffish)

References

Polycentridae {{ray-finned fish-stub