Trachinotus ovatus, whose scientific name is Ampulla ovata, and its local name is Ampulla goldensis, belongs to Ampulla. The fish body is flat and oval, and the gluteal fin is slightly equal to the second dorsal fin, which is obviously longer than the abdomen. The head side is flat, the tail handle is thin, and the body is covered with small round scales, which is not easy to peel off. Fish is white, tender and delicious, and it is one of the precious marine economic fish in the southern coastal areas.