But, even more stunning, a new study suggests it succumbed to one foe that caused it to go extinct — itself. New research presented at Monday's annual meeting of the American Geophysical Union suggests that, specifically, the giant shark's body temperature may have been the culprit. This comes as a surprise as modern-day sharks can self-regulate their body heat and adapt to their environments. Preliminary tests involving clumped isotope measurements using megalodon teeth and teeth of modern-day sharks suggests that megalodons "maintained a higher body temperature" when compared to great white sharks. Scientifically known as Otodus megalodon, the largest megalodon tooth ever found was slightly more than 7 inches in length.

Source: Fox News December 11, 2018 15:58 UTC