三、鲫鱼有防敌避害的能力在水下世界,鱼类面临着双重竞争和生存压力:一是来自人类的过度捕捞等灭绝行为,这其中还有水源水质等各种污染的潜在威胁;另一方面是来自鱼类不同鱼种之间“食物链”上的竞争,所谓“大鱼吃小鱼”是也,作为性情温和与世无争的鲫鱼家族,又是如何面对这些重重压力和竞争?在淡水鱼类中,鲤鱼的智商是比较高的,但鲫鱼同样有着比较高的本领和智慧,鲫鱼对“狡猾”的 Third, crucian carp has the ability to defend against evasion In the underwater world, fish are faced with the dual pressures of competition and survival: First, from human overfishing and other extinctions, of which there are water and other potential sources of water pollution; On the other hand comes from the competition among different species of fish and on the “food chain”. The so-called “big fish eat small fish” is also a mild and victorious crucian carp family, and how to deal with it These pressures and competition? In freshwater fish, carp IQ is relatively high, but the crucian carp also has a relatively high skill and wisdom, crucian carp on the “cunning”