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by skunkworker 2379 days ago
I was amazed at that as well about the Elephant Seal.

"One final note about life in the abyss: not all intruders from the lighted world are ROVs or submarines. A southern elephant seal tagged by Census project TOPP recently dove down 2,388 meters (~1.5 miles) from the surface. At that depth, water pressure is roughly equal to 240 times the air pressure at sea level. The human eardrum can rupture at 10 meters"

http://www.coml.org/comlfiles/press/CoML_Beyond_Sunlight_11....