Watch an iconic marine iguana crawl, eat, and swim in the ocean in this spectacular footage captured by divers in the Galápagos Islands.
Click here to read more about marine iguanas: http://animals.nationalgeographic.com/animals/reptiles/marine-iguana/
Why This Invasive Lizard Is Bad for Puerto Rico: https://www.youtube.com/watch?v=xNtR_7qXwr0