It shows an octopus hitching a ride on a shark, somewhere in New Zealand. And it also has researchers perplexed. Check it out ...

Drone video captured what was a curious sight for scientists, who saw an octopus clinging onto the head of a short-fin mako ...

With documented swimming speeds of up to 46 miles per hour, mako sharks represent the world’s fastest elasmobranch species.

Researchers in New Zealand saw a colorful blob on top of a shark’s head. When they looked closer, they realized it had eight arms.

Nearly one-third of sharks are threatened with extinction, mostly due to fishing. While mandated releases are helpful, researchers discovered that they aren't enough to stabilize shark populations.