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海洋里也有兔子,可它与陆地上的兔子不一样,既不会蹦跶,也不会跳跃,而只能在泥沙的海底像蜗牛那样慢慢爬行。在海底,当它静止的时候,头部即伸出一对“搜集情报”用的触角,仿佛陆生兔子的一双耳朵,蜷曲的身体也活像一只趴在地上的兔子,据此特征,海洋生物学家们把它定名为“海兔”。其实,海兔并不属于哺乳动物的兔类,而是海洋里的一种软体动物。它与贝类中牡蛎、蛤蜊倒是本家。它的外壳因天长日久而退化,变成一片薄薄的角质层,把肉体包裹在外套膜里。海兔也有许多种,其中以蓝兔、肛兔最为常见,成熟时体长一般为10厘米左右,30克重,在它淡灰色的身体上分布着点点蓝
There are also rabbits in the sea, but unlike the rabbits on land, they can neither jump nor jump, but crawl slowly on snorkelling seabed. At the bottom of the sea, when it is still, the head extends a pair of “intelligence gathering” tentacles, as if a pair of terrestrial rabbit ears, curled body also like a rabbit lying on the ground, according to the characteristics of the ocean Biologists named it “sea hare.” In fact, the sea rabbit is not a mammalian rabbit, but a mollusk in the ocean. It is with the shellfish oysters, clams down is home. Its shell, degenerated by the passage of time, becomes a thin stratum corneum that wraps the body in the mantle. There are many kinds of sea rabbits, of which blue rabbit, anal rabbit is the most common, mature body length is generally about 10 cm, 30 grams, in its pale gray body distribution of a little bit of blue