1, the body size is different: the barracuda body size than the general grouper is much larger, the general adult barracuda body length of 60 to 70 centimeters, body weight of 30 to 40 kilograms, the grouper is generally within 60 centimeters.

2, the habits of life are different: the barracuda is a warm-water marine bottom fish, which has a large number of distribution in Hainan, Hong Kong and other coastal areas in China, while the grouper are generally living in the shallow reef area of the rocks, coral is the place where the grouper are most often gathered.

3, the shape is different: the body of the dragon boat is shaped like a long oval, the mouth is larger, the body color is dark and no spots, while the grouper body color is bright black and there are a lot of black spots.