Seahorses use their prehensile tails to grab onto sea grasses and corals .
海马用它们的卷尾来抓住水草和珊瑚。
Four are close together and their influence on one another can be seen in elongated spiral arms and gaseous tails .
其中四个挨在一起，它们之间相互影响，可以看到拉长的盘旋臂和气态的尾部。
They can also detach their tails if caught and will grow another without permanent damage .
即使被捕获仍可断尾求生，并会长出新尾，不会留下永久创伤。
They anchor themselves with their prehensile tails to sea grasses and corals , using their elongated snouts to suck in plankton and small crustaceans that drift by .
它们靠卷尾在海草或珊瑚上来固定自身，用细长的吻部吸入浮游生物和漂游的小甲虫类。
They have strong jaws with razor-sharp teeth and sharp tails , which make up half their body length and can be used as whips to drive off predators .
