全部

1·A huge variety of fish, including cod, crayfish, bream, halibut, mussels, salmon, sea bass and sturgeon, are all farmed, providing jobs and food for people all over the world.

非常多的鱼类已被养殖，包括鳕鱼、小龙虾、鲤科鱼、大比目鱼、贻贝、鲑鱼、黑鲈和鲟鱼，为世界各地的人们提供了食物和工作岗位。

2·The sort of sea crab is not little, the crab having blueness with economic common and great sense, swimming crab and sturgeon.

海蟹的种类不少，常见而且经济意义大的有青蟹、梭子蟹和鲟。