''Phenacostethus'' 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 fishes in the family
Phallostethidae
Phallostethidae, also known as 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 and ...
found in 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 is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...
.
Species
The currently recognized species in this genus are:
* ''
Phenacostethus posthon''
T. R. Roberts, 1971
* ''
Phenacostethus sikat''
Parenti, Lumbantobing & Haryono, 2023
* ''
Phenacostethus smithi''
G. S. Myers, 1928 (Smith's priapium fish)
* ''
Phenacostethus trewavasae''
Parenti, 1986
References
Phallostethinae
{{Atheriniformes-stub