1. Sharks belong to cartilaginous fishes and a subclass of vertebrates. They are marine, a few species enter fresh water, and they are a group of medium and large marine fish that swim very fast.

2. Tuna (scientific name: Thunnini): It is a group of marine fish under Scombridae. This family contains 5 genera 15 species of tuna, and the size of each species varies greatly. The smallest tuna is Coilia oleifera, the largest is 50 cm long and weighs 1.8 kg.

3. Tilapia is a tropical fish, which is native to Africa. There are more than 100 species of tilapia, including subspecies * *. Tilapia has the characteristics of fast production speed, high yield, miscellaneous eating habits, few diseases and strong reproduction.

4.yellow croaker, Larimichthys? (D. S. Jordan et Starks, 1905), also known as large yellow croaker, is a general term for large yellow croaker. Born in the East China Sea, the fish head has two hard stones called otoliths, so it is also called stone fish.

5. Lateolabrax japonicus (scientific name: Lateolabrax japonicus) belongs to the genus Perciformes. Distributed in Hokkaido, Vladivostok (Vladivostok) and the west of Leizhou Peninsula in South Korea. In the Yellow Sea basin, it is only found in the lower reaches of the Yellow River east of Jinan, and it has also been found in Jiujiang, Jiangxi Province along the Yangtze River.

Refer to the above content: Baidu Encyclopedia-Sea Bass

Baidu encyclopedia-yellow croaker

Refer to the above content: Baidu Encyclopedia-Tilapia

Baidu encyclopedia-tuna family

Baidu encyclopedia-shark