珊瑚礁上的居民

珊瑚在海洋中形成了不可计数的大大小小的生物圈，供养了约1/3的海洋鱼类。珊瑚礁内的居民都有哪些呢？它们是如何与珊瑚礁互助共存的呢?

This short video is from the 1st episode of the documentary series "家园 生态多样性的中国", and you may enjoy the whole episode at https://youtu.be/8gITfbbwHwk

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