This fish evolved to walk on land — then said 'nope' and went back to the water

An illustration of Qikiqtania wakei (center) in the water with its larger cousin, Tiktaalik roseae.

In a move reflective of a viral meme, a new study shows that an ancient fish really did evolve to walk out of the water, only to then go back to the sea.

(Image credit: Alex Boersma)



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