Meaning “fish lizard” in Greek, the aptly-named ichthyosaur once dominated the world’s oceans for millions of years. Learn about these prehistoric marine reptiles and see how features, such as basketball-sized eyes and a vertical tail, helped the ichthyosaur secure a place at the top of the ancient food chain.
➡ Subscribe: http://bit.ly/NatGeoSubscribe

Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite

Written by Cesar Moya