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Hammerhead sharks dive more than half a mile below the ocean's surface to find and catch prey. And they hold their breath while they do it, according to researchers, who say...
The Maui News Scalloped hammerhead sharks hold their breath to keep their bodies warm during deep dives into cold water where they hunt prey such as deep sea
It's an extraordinary and very surprising behavior.
Scalloped hammerhead sharks hold their breath to keep their bodies warm during deep dives into cold water where they hunt prey such as deep sea squids. This discovery provides important new insights into the physiology and ecology of a species that serves as an important link between the deep and shallow water habitats.
To survive as they seek food in freezing parts of the ocean, hammerhead sharks use a trick that hasn’t been observed in other fish.