They are generally rather deep-bodied and small-mouthed. With the exception of the kissing gourami, sole member of the family Helostomatidae, they are of the family Belontiidae and are characterized by an elongated ray in each pelvic fin.
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They are generally rather deep-bodied and small-mouthed. With the exception of the kissing gourami, sole member of the family Helostomatidae, they are of the family Belontiidae and are characterized by an elongated ray in each pelvic fin.