Currents sweep sediment-laden waters clear more efficiently than clams and bring in young fish and planktonic larvae from distant, healthy reefs.

• 洋流在净化泥沙淤积的海水方面远比蛤蚧的效率高。并且，它同时还会从远方健康生长着的珊瑚礁带来幼鱼及一些浮游生物。