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 .

它们的下颚有力，牙齿锐利，占其体长一半的尖尾能够充当鞭子驱散捕食者。