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

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

By Kai McNamee

Source: wgbh

7/31/2022

You may have come across a meme showing an ancient fish known as Tiktaalik.

It shows the green, eel-like creature crawling out of the sea about 375 million years ago — about the time that scientists say fish developed the physical characteristics to survive on land — only to be directed to turn around.

The joke, as far as the meme goes, is that the fish should crawl straight back into the water to avoid the woes of our modern times.

Now, a new study published in Nature suggests a relative of Tiktaalik – named Qikiqtania wakei – did just that.

"You had this evolutionary series of fish evolving to walk, but this one said, 'Eh, not going to do that one. I'm going back in,'" said Neil Shubin, a paleontologist at the University of Chicago who co-authored the study.

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