translation.en: There's a good reason why: the shallow water's full of predators -- here's a barracuda -- and if you're an octopus or a cephalopod, you need to really understand how to use your surroundings to hide.
translation.zh: 这有个原因来解释：在浅海里， 到处都是捕猎者。这是条梭鱼。 如果你是条章鱼或是头足类动物的话， 你确实需要知道怎么利用周围的环境来隐藏自己。