What is the secret to the long migrations of great white sharks?
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Recent research has shed light on the fuel behind the impressive migrations of great white sharks – their large reserves of liver fat.
These majestic creatures embark on journeys spanning up to 2,500 miles across the open ocean, where food sources are limited. If they relied solely on foraging, sharks would face significant challenges in finding sustenance in the vast expanse of the open ocean. That’s why they undertake migrations between different feeding grounds, capitalizing on the seasonal abundance of prey.
During their migratory journeys, blubber plays a crucial role as a high-energy resource for many migratory animals. Great white sharks, known to prey on blubber-rich marine mammals like seals and whales in coastal waters, have long been observed along the coast. However, the specifics of their food supply during migrations remained unknown.