在大西洋、印度洋、太平洋等海域 ,在深约300米～500米的洋面下 ,广泛分布着各种各样的海洋动物 ,其中有一种被称为“头足类”的海洋经济动物 (通常俗称为“鱿鱼” ) ,是海洋生态系统链中独特的一环 ,这种一年生海洋动物既是鲸鱼、金枪鱼、鳕鱼等的捕食对象 ,而其本身又是诸多? In the Atlantic Ocean, the Indian Ocean, the Pacific Ocean and other areas, there are a wide range of marine animals widely distributed over the depths of 300 meters to 500 meters. Among them, there is a species of marine economy animals called “cephalopods” Commonly known as “squid”) is a unique link in the marine ecosystem chain. This annual marine animal is not only the predator of whales, tuna, cod, but also many in itself.