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Sea creatures that live in the depths of the ocean can sometimes grow much bigger than similar creatures that prefer shallow waters.
生活在深海的生物有时可以比生活在浅水的同类生物大得多。
This is a phenomenon called deep-sea gigantism.
这种现象被称为深海巨大化现象。
A well-known example of deep-sea gigantism is the colossal squid, which can grow up to 14 metres long.
深海巨大化现象的一个著名例子是巨型乌贼，它们可以长到14米长。
There are several theories about the causes of deep-sea gigantism.
关于深海巨大化现象的成因，有几种理论。
It is believed that the colder temperatures at the bottom of the ocean can slow an animal’s metabolism.
人们认为，海底较低的温度会减缓动物的新陈代谢。
This is important for the survival of deep-sea creatures.
这对深海生物的生存至关重要。
Food can be hard to find in the cold, dark water, which means that these creatures have to conserve their energy.
在冰冷黑暗的深海中很难找到食物，这意味着深海生物必须保存能量。
With such slow metabolisms, they take a long time to mature.
而由于新陈代谢缓慢，它们需要很长时间才能成熟。
This allows them to continue growing.
这使得它们能够持续生长。
