Phallostethinae

Phallostethus is a small genus of fishes in the family Phallostethidae native to freshwater and brackish habitats in southeast Asia.

Phenacostethus is a genus of fishes in the family Phallostethidae found in freshwater and brackish habitats in southeast Asia.

Neostethus is a genus of fishes in the family Phallostethidae, native to freshwater and brackish habitats in southeast Asia, with the majority of the species restricted to the Philippines.