Census of Marine Life explorers find hundreds of identical species thrive in both Arctic, Antarctic

Researchers in North and South startled to find Polar oceans share 235 species; Changes in species distribution documented as warmer oceans spur migration

		IMAGE: Chionodraco hamatus, an Antarctic ice fish, can withstand temperatures that freeze the blood of all other fish types. This finger-lengthed juvenile was photographed in 2008. Click here for more information.

Earth's unique, forbidding ice oceans of the Arctic and Antarctic have revealed a trove of secrets to Census of Marine Life explorers, who were especially surprised to find at least 235 species live in both polar seas despite a distance of more than 13,000-kilometer distance in between.