he black grouper is a large marine fish, growing up to 150 centimetres in length and 100 kilograms in weight. It has an olive or gray body, with black blotches and brassy spots. The preopercle is gently rounded.

The black grouper is a solitary fish. The fish spawns between May and August. It is a protogynous hermaphrodite, i.e. the young are predominantly female but transform into males as they grow larger.

Features – This reddish brown to black fish bears rectangular blotches on body. Its tail has a black margin with a white edge. They inhabit reefs, and are occasionally found in open water.