Bass are carnivorous fish, they eat mainly small fish, shrimp, crustaceans, and aquatic insects and plankton.

Bass are found in Hokkaido, Vladivostok, and Korea to the west of the Leizhou Peninsula. In the Yellow Sea basin it is only found in the lower reaches of the Yellow River east of Jinan, and along the Yangtze River it has been seen in Jiujiang, Jiangxi Province. The perch is a fierce pelagic fish near the sea and estuaries, and also enters freshwater rivers to feed on shrimps, crabs and small fish.

Habitat

The perch is an offshore, shallow-sea fish with a ferocious temperament, capable of living in shallow water. The Bohai Sea bass swims to the near shore and estuaries in late March and April every year to ask for bait, and after spawning, it goes to the deeper waters of the sea area to overwinter. Hatched juveniles overwinter in the sea area, and the following spring juveniles enter estuaries, inland bays and near shore in groups. In natural waters. Perch feeding to swallow live animals, so it is a carnivorous fish.

The perch feeds on many kinds of species, which are mainly swimming animals, so it is also known as swimming animal-feeding fish. There are obvious seasonal changes in the types of perch feeding within a year, and even changes between months are also very obvious.

The food composition of adult and juvenile bass varies greatly. Early juveniles feed on zooplankton, and after the shift in diet feed on small shrimp, minnows, and isopods, with fish predominating in the adult food composition, followed by shrimp.