这是个可能被多数人知晓的关于沙丁鱼与鲶鱼的故事:沙丁鱼被渔民从海中捕捞上来以后,无论采取什么样的护养方法,都难以保障它存活较长时间,所以人们在市场上很难买到鲜活的沙丁鱼。但是,在欧洲北海有个小渔村,渔民在捕捞沙丁鱼时,事先在鱼舱里放入几条鲶鱼,鲶鱼是沙丁鱼的天敌,渔民把捕捞上来的沙丁鱼放进鱼舱后,沙丁鱼始终被鲶鱼追赶,它们拼命地奔跑,结果人们看到市场上出现了强壮又充满活力的沙丁鱼。 This is a story that may be known to most people about sardines and catfish: After sardines have been caught by fishermen from the sea, it is hard to keep them on the market for any length of time, regardless of the type of care they take Fresh sardines. However, there is a small fishing village in the North Sea of ​​Europe. When catching sardines, fishermen put some catfish in the fish tank in advance. Catfish are the natural enemies of sardines. Fishermen catching sardines all the time after catching the sardines into the fish tank , They run desperately. As a result, people see a strong and vibrant sardines on the market.