Burbot(Lota lota Linnaeus) and pacific cod(Gadus macrocephalus Tilesius) are important economic species in the family of cod. In the recent years, the resources of both species have been destroyed because of enviroment and over exploitation prolems.

• 江鳕(Lota lota Linnaeus)和大头鳕(Gadus macrocephalus Tilesius)都是鳕科鱼类中重要的经济鱼类,近年来由于过度捕捞等原因,资源已严重衰退。