The aptly named megamouth can weigh up to 2,700 pounds and ... It is also considered the largest fish in the world, says the Natural History Museum. Whale sharks can reach 60 feet in length ...

As you dive 140 meters underwater, you might see a megamouth shark ... It uses its chin barbel as a lure to attract small fish. Another hundred and 50 meters down, we meet the vampire squid.

Satellite tag technology has facilitated observations of the movement patterns of large fish in waters around Taiwan, the ...