Miller说通过建著复杂的空间结构使沙子底下的硬质岩石暴露出来，赤点石斑鱼创建了一个海藻，珊瑚和海绵可以繁荣生长的空间。
By building complex, three-dimensional structures that expose the hard rock beneath the sand, Miller said, red grouper create an environment in which seaweed, coral and sponges can thrive.
同样地海狸建造堤坝，赤点石斑鱼挖掘和维护明显的坑洞，这些坑洞的石质表面成为珊瑚虫，海绵动物和其他海洋生物聚集的地点。
In the same way beavers construct DAMS, red grouper excavate and maintain distinct holes whose rocky surfaces provide a place for coral, sponges and other Marine life to congregate.
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