Small gouramies belong to the Luciocephalinae sub family of Osphronemidae family. The Osphronemidae are mainly distributed in India, Pakistan and Southeast Asia. Most of the family members have elongated pelvic fin ray and large amount of anal fin rays. Small gouramies are freshwater fishes.
The Osphronemidae family consist of 14 genera and about 126 species worldwide. The Luciocephalinae sub family consist of 6 genera and about 18 species worldwide.