Elephant ear gourami can grow up to 60 centimetres, adults of this species have physical differences and are pale on its fins.
The elephant ear gourami (Osphronemus exodon) is a large species of gourami native to the Mekong in Thailand, Laos, and Cambodia. Adults can grow up to 60 centimetres (24 in). Like other species of the genus Osphronemus, juveniles and adults of this species have physical differences. Adults are pale on its fins and blackish on its body. 
