Sailfish is a fish species belonging to the family Sailfish in the suborder Scombroidei, also known as flatsail, swordfish, or swordfish. The upper jaw of the mouth is like a sharp long sword, very prominent. The first dorsal fin with black spots on the back exceeds the body height, and the middle part is about twice the height of the fish, like a floating flag, so people call it a sailfish. Sailfish are widely distributed in the Atlantic, Indian, and Pacific oceans, as well as in the South China Sea and southern East China Sea, and are active in tropical and subtropical regions. Fierce carnivorous fish with extremely strong attacking power. Sailfish is the fastest swimming fish in the world, with a speed of up to 110 kilometers per hour. Its streamlined body is very suitable for swimming.

Flying fish is a general term for the family Flying Fish in the order Perciformes of the class Actinopterygii; Including 8 genera and approximately 50 species; Also known as Wen Ray Fish, Yan Ray Fish, or Yan Er Fish. These fish are famous for their ability to 'fly', hence they are called flying fish. Flying fish are distributed in temperate and tropical oceans and are warm water upper layer fish. It feeds on crustaceans, planktonic animals, fish eggs, and small fish. They like to migrate in groups and often leap out of the water to "fly". They can glide out of the water several times in a row, flying and falling at different times, using this method to avoid enemies in the water and air. Flying fish is not only one of the fastest fish species in the world's upstream, but also a small and medium-sized economic fish, mainly caught by countries such as the Philippines and Indonesia.