1·Urchins feed on algae and invertebrates-a recent study found that the sound of their teeth scraping on reefs can cause a rise in ocean noise.
海胆以海藻和无脊椎动物为食——一项近期的研究发现它们牙齿磨礁石发出的声音会增加海洋的噪音。
2·The anemone, an inhabitant of deep-sea reefs, closes its jaws to trap its prey and to protect itself when threatened.
这种海葵生活在深海礁石上，通过合拢口部捕捉猎物或者受到威胁时保护自己。
3·But when the scientists played sounds of reefs, featuring the murmurs of fish and crustaceans, the larvae swarmed toward the speakers.
但是当科学家制造出一些礁石的声音，就像鱼类和贝壳类动物在低语一样，这些珊瑚幼虫便游向声源。
4·Of particular interest to conservationists, Treml says, might be reefs that serve as stepping-stones for surfing corals and reef clusters that are especially isolated.
Treml还说，自然资源保护学家们可能会特别感兴趣的是作为珊瑚冲浪踏板的礁石及特别隔开的礁群。
5·Shipwrecks are ready-made 8 artificial reefs.
船只残骸是现成的人工礁石。