"Sea Monsters: A Prehistoric Adventure" follows a dolichorhynchops as she travels through the most dangerous oceans in history.
See more Sea Monsters!
http://video.nationalgeographi... lms-specials/trailers/sea-mons...
Exotic creatures lie at the bottom of Japan's Suruga Bay, including spider crabs, chimeras and lantern sharks.
See all National Geographic videos: http://video.nationalgeographi......