Megamouth Sharks Perform Daily Vertical Migrations of Hundreds of Meters

A one-ton shark travels the height of a skyscraper every single day.

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The daily vertical migration of marine organisms is considered the largest synchronized movement of biomass on Earth.

Tracking studies show that megamouth sharks migrate vertically, spending daylight hours at depths of 120 to 160 meters before ascending to shallower waters at night. This daily movement follows the vertical migration patterns of plankton, their primary food source.

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The vertical distance they travel can exceed the height of the Eiffel Tower, repeated daily, conserving energy while synchronizing with the ocean’s largest mass animal movement: the nightly plankton rise.

This behavior connects the deep sea to surface ecosystems in a continuous biological conveyor belt. Even a slow-moving giant weighing over a ton depends on microscopic organisms that shift the entire ocean’s food web every 24 hours.

Source

National Geographic

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