Although it is not easy to enforce conservation measures for sharks, some countries have already begun protecting some types of fish that are relatively large, have low rates of reproduction, and are frequently caught in large numbers.
雖然鯊魚的保護不易進行，仍有國家針對一些體形較大、繁殖力低，與較常被大量捕捉、使用的魚種開始進行保護。