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Some Sharks are ‘warm-blooded’ |
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It's really an advantage to stay warm in those colder waters. Some sharks can do that!
Several species of the Mackerel Sharks, including the Great White Shark and Mako Sharks, have a circulatory system that retains metabolic heat. While otherwise cold-blooded, this enables them to maintain body heat as much as 25° Fahrenheit (14° Celsius) warmer than the surrounding water. It’s almost like being warm blooded. The advantages are significant, enabling them to extend their range significantly beyond what they would otherwise tolerate. Next Quick Shark Fact
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