挪威人捕沙丁鱼,抵港时如果鱼仍活着,卖价比死鱼高出许多,所以渔民千方百计想法让鱼活着返港,但种种努力都归失败,只有一艘渔船却总能带着活鱼回港,原因不明。直到这艘船的船长死后,人们才发现秘密:鱼槽里放进了一些鲶鱼。原来,鲶鱼进入鱼槽后,处处攻击沙丁鱼,而大量沙丁鱼也意识到危险的存在,自然会紧张起来,加速 Norwegian fishing sardines, arrived in port if the fish are still alive, the selling price is much higher than the dead fish, so fishermen do everything possible to let the fish alive to return to Hong Kong, but all efforts failed, only a fishing vessel always with live fish Back to Hong Kong, for unknown reasons. It was not until the captain of the ship died that people discovered the secret: Some catfish were put in the trough. It turned out that catfish into the trough, everywhere attacking sardines, while a large number of sardines are also aware of the dangers of existence, will naturally be nervous and accelerate