Creatures in both Arctic, Antarctic puzzle experts
China Daily | Updated: 2009-02-17 07:53
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Some cold-loving creatures that live in both Arctic and Antarctic waters: (from left to right) the swimming snail (Limacina helicinia), the shell-less pteropod or swimming snail (Clione limacina), and the Mimonectes sphaericus, an amphipod crustacean living upon jellyfish and their kin. Reuters |
At least 235 types of cold-loving creatures thrive in both Arctic and Antarctic seas, puzzling scientists about how they got to both ends of the earth, a study showed on Sunday.
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