鱼类缘何消瘦?这些年来渔民们捕鱼的海域一次比一次远,捕获的鱼量却越来越少,这还容易理解,因为人类的盲目开发和过度捕捞已使海洋鱼类资源逐步走向衰竭。但是鱼的个头越来越小,就奇怪了,然而这是事实,比如我国东海渔区就频传警报,昔日肥硕的黄鱼、墨鱼、带鱼四大经济鱼类如今 Why is the fish thin? In recent years, the fishermen have been fishing more than once in one time, and the amount of fish captured has become less and less. This is easy to understand, because the blind development of human beings and overfishing have caused the gradual depletion of marine fish resources. . However, it is strange that fish are getting smaller and smaller. However, this is a fact. For example, in the East China Sea fishing area, frequent warnings have been issued. Today, the four big economic fishes, yellow croaker, cuttlefish and octopus, which were once fertile, are nowadays