It slices fish in two using its retractable mandibles ... The bobbit worm lacks traditional teeth like the Great White Sharks, as well as the Northern Pike, another predator with razor teeth ...

In the past, people thought the fish were basking in the sun as they cruised near the surface—hence their name. Basking sharks are highly migratory. In spring and summer, they travel to coastal ...

Nicknamed the Ginsu shark after the kitchen knife that slices and dices ... and even the giant bony fish Xiphactinus, a fierce predator itself. Sharks are made of cartilage, which does not ...