This fish's DNA may hold the key to how fish learned to walk...

  • Updated: April 20, 2013 - 4:29 PM

In the hope of reconstructing a pivotal step in evolution — the colonization of land by fish that learned to walk and breathe air — researchers have decoded the genome of the coelacanth, a prehistoric-looking fish whose form closely resembles those seen in the fossils of 400 million years ago.

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