1.The Antarctic seas serve as a refuge for an extremely large number of migratory fish that flee from storms in the subpolar zones, in truth only to slide down the gullets of porpoises and seals.
2.Plus, as a gigantotherm, the leatherback's size, coupled with an extra layer of insulating brown fat, keeps its body temperature stable, even while migrating from its tropical breeding grounds to subpolar areas where it forages.