Largest animal migration

Last updated: October 5, 2017 at 13:59 pm

Diel (daily) vertical migration of billions of ocean animals, including fish, squid, krill, jellyfish, and copepods that rise more than 500 m (1,640 ft) to feed on plankton near the surface at night. Also known as diurnal vertical migration.

Verified by Diving Almanac & Book of Records official

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