About This Fish

Dusky Grouper


The Dusky Grouper (Epinephelus marginatus) is a perch like ray finned fish which belongs to family Serranidae under Order Perciforems of Class Actinopterygii. It is found in the Mediterranean, the African west coast and the coast of Brazil, western Indian ocean, Uruguay, Argentina, north of France and the British Isles. It is a solitary and bottom-dwelling fish which likes to live alone in rocks at depths from the coast to 300 meters while the juvenile is found near the coast.



The dusky grouper is an extremely large fish with an oval body, big head, wide mouth and protruding lower jaw. It has a one long dorsal fin and a rounded tail. Dorsal fin has 11 spines and 14-16 soft rays while anal fin has 3 spines and 8 soft rays. Body is brown dorsally with yellow spots and yellow ventrally but it is green during juvenile stage. Body is covered with small scales and operculum has three spines. It is very greedy and a major predator which mainly feeds on reef associated fish, crabs and octopus. It grows up to 150 cm in length and 60 kg in weight. It matures as a female first time but later it develops into a male. Female reaches sexual maturity at the age of five years and sex reversal of females into male takes place between 9 and 16 years of age. Reproduction normally takes place during the summer months and it can live up to 50 years.


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