Phallostethidae

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Phallostethidae
Neostethus lankesteri DSC 2968.jpg
Neostethus lankesteri
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Atheriniformes
Family: Phallostethidae
Regan, 1913
Genera

Gulaphallus
Neostethus
Phallostethus
Phenacostethus

The priapium fishes are a family, Phallostethidae, of atheriniform fish native to freshwater and brackish habitats in southeast Asia.

They are small, no more than 3.5 cm (1.4 in) in length, with partially translucent bodies. They are found in fresh and brackish water from Thailand to the Philippines and Sulawesi. They are named for a muscular organ found under the chin of males. This organ, which may possess small testicles, is used together with the pelvic fins to grasp the female during mating. Unlike most other fish, priapium fishes exhibit internal fertilisation.[1]

References[edit]

  1. ^ Allen, Gerald R. (1998). Paxton, J.R.; Eschmeyer, W.N., eds. Encyclopedia of Fishes. San Diego: Academic Press. p. 156. ISBN 0-12-547665-5.