Izu rays are a medium-sized benthic fish with a body disc width of up to 73 centimeters. It is a nearshore species mainly found on the continental shelf, with a known depth range of 10-25 meters, but may appear in deeper places; In the East China Sea, it has been reported at a depth of 180 meters. The pectoral fin plate of the Izu stingray is diamond shaped, slightly wider than long, with a smooth golden brown color, and a whip like tail with a low keel above and a fin fold below. The fin folds are white, which distinguishes the Izu ray from all other Pacific members of its family.

The Songjiang perch is a fish species belonging to the family Scorpaenidae in the order Scorpaeniformes. The front part of the adult fish is flat and flattened, the middle part is nearly cylindrical, and gradually becomes thinner and flattened towards the back; Big head, wide and flat; Wide mouth, end position; The kiss is wide and round, with the maxilla extending below the posterior edge of the eye. China produces along the coasts of the East China Sea, Yellow Sea, and Bohai Sea. It lives in shallow sea, estuaries, fresh water Rivers and Lakes and other waters. Carnivorous fish, planktonic stage, prefer to feed on copepods, brine shrimp larvae, branchiopods, shrimp larvae, etc; The benthic period shifts to feeding on shrimp, oligochaetes, annelids, etc; During the juvenile and adult stages, they feed on shrimp and small fish, and stay up during the day and come out at night.

The medaka, also known as the rice medaka, is a species of fish in the family medaka and genus medaka. The body of the medaka is long, flattened, with a straight back and a round and narrow belly. The head is wide and flat. Small mouth, upper position, transverse fissure, longer lower jaw. Eyes are large, located on the upper side, and the distance between the eyes is wide and flat. The top of the head and gill cover are covered with scales. The dorsal fin is located at the back of the body. Qingchui is a small freshwater mid to upper level fish. It lives in ditches, paddy fields, ponds, and aquatic plants along rivers, lakes and reservoirs. Xi Qun swims in still and slow-moving water areas.

Striped sandfish, also known as silver line sandfish, is a type of sandfish. It originates from the African coast of the Indian Ocean to the Mariana Islands and Samoa in the western Pacific, as well as from the Ryukyu Islands southward to Australia in terms of seawater, freshwater, and brackish water. This species appears in mangroves and palm forests and can cross muddy surfaces when leaving the water surface. It can reach a total length of 19 centimeters.

Pine ball fish is a species of fish belonging to the pine ball fish family. It is distributed in the western Pacific Ocean of India, including the Red Sea, South Africa, South Japan, Taiwan, Australia, New Zealand and other sea areas. Distributed in Taiwan, including the southern part and the waters around Orchid Island and Green Island. The adult body length of the pine ball fish is about 13-17 centimeters, characterized by specialized scales in the form of shield armor and slightly hexagonal markings on the side of the body. It is the most beautiful ornamental fish in the order of cichlids. Living in tropical waters ranging from 10 to 200 meters, they inhabit rocky depressions or caves during the day and venture out to search for food at night.

The Chinese name for the big headed cod is a fish belonging to the cod family. It is distributed in the Yellow Sea and Bohai Sea of China; Overseas to North Korea and the Pacific Ocean north of Los Angeles. The bighead cod is a cold water bottom dwelling fish that typically inhabits sea areas at depths of 50-80m. The body length is generally 21-70cm. The fins of the bighead cod have no hard spines and are entirely composed of fin strips. Abdominal fin throat position. There is one whisker in the chin of the lower jaw, and both jaws and the plow bone have fuzzy teeth. The scales are very small. It produces and operates food from small and medium-sized fish and invertebrates.