decapterus macrosoma spreads all over the tropical and subtropical waters of the world's three oceans. Because of its variety, large quantity, delicious meat and few spines, and many fish species can reach 60 cm or even more than 1 meter in length, it is a very important economical food fish . Trevally have an elongated caudal peduncle and a deeply forked caudal fin that develops a powerful tail that helps them swim quickly.

decapterus macrosoma is one of the fastest swimmers among medium-sized marine fishes. They sometimes appear in groups, sometimes in twos or alone; when they are active on the outer edge of the reef, they will have different swimming styles according to different situations, for example, they usually swim leisurely and slowly, and when they are threatened, they will swim fast in four corners or zigzagging Swimming; when they are preying in the sea, if they encounter a single-tailed prey, they will chase after them, and if they encounter a group of prey, they will disperse them first, and then lock the target to attack.
In addition, adult six-banded trevally like to swim in large groups on the cliff, forming a spectacular cylindrical fish school storm. The manufacturer of decapterus macrosoma tells you that there are two possible reasons, one is feeding, because there is a local upwelling, and the bait of zooplankton is abundant, and the other is in a resting state, especially when they swim slowly.