Fish adapted to the deep sea 80 million years earlier than we thought

Fish began to stay within the deep sea at the least 130 million years in the past – 80 million years sooner than we thought – fossils present in Italy counsel.

“The invention was like discovering astronaut footprints on the moon,” says examine creator Andrea Baucon from the College of Genoa in Italy. “We found when and the place vertebrates colonised the deep sea.”

The deep sea is an unpromising habitat for fish: It’s frigid, pitch-black, periodically swept by highly effective currents, and characterised by high-pressure circumstances that …