Overfishing has exhausted fishery resources.

Many economic fish are on the verge of extinction due to overfishing, and are in a state of resource depletion and complete extinction. Like a long kiss from the Yangtze River? , commonly known as squid, is the main economic fish in the Yangtze River. Due to overfishing, resources have fallen sharply. Since 1996, it has been listed as a provincial key protected animal. However, despite the ban, fishermen still fish a lot. In winter, when a long kiss? When they stopped preying on Tibetans in deep-water gravel cracks for the winter, they frantically exploded with explosives, not only magnifying long kisses? All the fish were killed, and so were all the other fish. This carpet bombing will spread long kisses all over the Yangtze River basin. Completely extinct. Some people also kill all the fish and shrimp with poison. There is also electric pulse fishing, which also makes the big fish sweep away and is extremely vicious.

Due to overfishing, the fish resources in the Yangtze River basin decreased sharply, with 450,000 tons of natural fishing in 1954, and only 654.38+10,000 tons in the 1990s. 1990, the eel catch was1170kg, 1995 decreased to1000kg, 1998 decreased to 200kg. 198 1 year the output of crab seedlings in the Yangtze River was 20052 Jin, and198 decreased to 200 Jin.

Due to overfishing, the large yellow croaker and small yellow croaker in Zhoushan fishing ground are now almost completely extinct.

Zhanggang Town, Changle City, Fujian Province is rich in a delicious mussel, which is called "Xishi Tongue" because of its tender meat and excellent taste. Only Italy and Changle Zhanggang have production in the world. The original annual output was 10000 tons, but due to overfishing, reclamation and fishermen's pollution, 1998 only produced 200-300 tons.