It is a marine migratory fish, living in the sea area of 5-11 meters. Young fish like to hide under floating objects, while adult fish often swim with golden thread fish, snakehead fish or prawn. Carnivorous, mainly jellyfish and zooplankton. During the breeding period from winter to the following summer, flocks of floating eggs are laid in the middle water layer along the coast, and move to the sea in autumn. When the hatched young fish grow to 3 cm, they swim to the sea.