After beginning of winter, fish jumped on the water. What kind of fish is this?

Offshore fish such as snakehead, yellow croaker and flounder are all cold-blooded animals. They are extremely sensitive to the changes of air temperature and water temperature, and usually jump to the water surface to stay active after winter, looking for a place to avoid the cold for winter.

Beginning of winter is the 19th of the 24 solar terms and the beginning of winter.