Evolution, Fish | featured news

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.

An eel recently discovered in an underwater cave appears to have evolved out of step with the rest of us, retaining primitive characteristics associated with animals from the dinosaur era.

Two wings or four: why flying fish evolved different ways to take to the air.