''Phallostethus'' is a small

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 fishes in the family

Phallostethidae Phallostethidae, also known as the priapium fish, is a family of atheriniform fish native to freshwater and brackish habitats in southeast Asia. They are small, no more than in length, with partially translucent bodies. They are found in fresh ...

native to freshwater 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 ...

habitats in

southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...

Species

The currently recognized

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 ...

in this genus are: * '' Phallostethus cuulong''

Shibukawa is a city in Gunma Prefecture, Japan. , the city had an estimated population of 76,098 in 32,439 households, and a population density of . The total area of the city is . Shibukawa is the location of Ikaho Onsen, a popular hot spring resort. ...

, Đ. Đ. Trần & X. L. Trần, 2012Shibukawa, K., Tran, D.D. & Tran, L.X. (2012): Phallostethus cuulong, a new species of priapiumfish (Actinopterygii: Atheriniformes: Phallostethidae) from the Vietnamese Mekong. ''Zootaxa, 3363: 45–51.'' * ''

Phallostethus dunckeri ''Phallostethus dunckeri'' is a species of fish in the family Phallostethidae. It is endemic to Malaysia. Environment ''Phallostethus dunckeri'' is recorded to be found in a freshwater environment within a pelagic depth range. This species is n ...

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1913 * '' Phallostethus lehi'' Parenti, 1996

References

Phallostethinae Taxa named by Charles Tate Regan Taxonomy articles created by Polbot {{Atheriniformes-stub