Earth
Deadly upwellings of cold water pose threat to migratory sharks
Climate change is making extreme cold upwellings more common in certain regions of the world, and these events can be catastrophic for animals such as bull sharks
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Climate change is making extreme cold upwellings more common in certain regions of the world, and these events can be catastrophic for animals such as bull sharks
Even for cold-blooded sharks, the deep ocean is frigid. To tolerate low temperatures as they dive for deep-water squid, scalloped hammerheads close their gills