Extended data:

Epinephelus has fewer bone spurs, and the edible rate is 63%. In southern China, especially in Guangdong, Hong Kong and Macao, grouper has always been regarded as a nourishing treasure for the recovered and infirm. Guangdong's famous "grouper clam soup" is deeply loved by the masses.

Grouper has strong adaptability, rapid growth and convenient transportation. With the development of domestic aquaculture and the need of foreign trade, grouper has gradually become a special breed with booming production and sales, and the culture technology of grouper has also attracted extensive attention and attention.

Fishes of gymnosperms, gymnosperms, gymnosperms and plateau fishes are often called "scaleless fish", except for a few irregular scales on the hip scales and shoulder straps, which are degenerated and naked.

Appearance characteristics

Body length, slightly flat side, conical head, blunt and round kiss, big mouth crack, inferior, horseshoe-shaped. The maxilla is slightly prominent, and there is no sharp cutin at the front edge of mandible. The lower lip is narrow and undeveloped, divided into left and right leaves; The posterior labial groove is interrupted and far apart; No need. The body is bare, and there are 3-4 rows of irregular scales above the base of pectoral fin and below the lateral line; There are 1 rows of large scales on both sides of anus and gluteal fin, which reach the base of ventral fin forward, and occasionally degenerate scales trace from ventral fin to the midline of pectoral fin. The lateral line is straight, and the front end of the lateral line scales degenerates into skin folds, and the back end is even less obvious. The dorsal fin has developed hard spines with serrated edges. The back of the body is yellowish brown or grayish brown, the abdomen is yellowish or grayish white, and there are large irregular black spots on the side; Every fin is red. In the reproductive period, there are white granular pearl stars on the snout, anal fin, caudal fin and back of male individuals.