1, different body size, barracuda body size than the general grouper is much larger, the adult barracuda body length of 60 to 70 cm, weight 30 to 40 kg, grouper in 60 cm or less.

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