Shark Week: Season 2017, Episode 11

2017 - 11: Devil Sharks

From active to extinct, and at every stage in between, volcanoes hold a strong attraction for sharks of all kinds. Across the world, sharks congregate and concentrate around volcanoes and volcanic islands. What is it about volcanoes that make them shark hotspots? Dr. Mike Heithaus dives in several volcanoes to find out. Produced by Pangolin Pictures.