A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand.

Scientists in New Zealand have released footage of an octopus appearing to ride the back of a shortfin mako shark. Researchers at University of Auckland documented the real-life sharktopus during a ...

Scientists have long thought intelligence tends to develop through social interactions with an animals’ own 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.

The blue ring octopus, though small, carries a lethal venom 1,200 times more toxic than cyanide, capable of paralyzing and ...

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, ...

This is the terrifying moment an aggressive octopus latches onto a snorkeller and nearly strangles him after its home was ...

A snorkeler was nearly strangled by an octopus after he disturbed the creature's home while on a dive off the coast of far-eastern Russia. Now-viral video of the encounter shows the moment the ...

While unfortunate for the males, becoming a post-sex meal offers the females vital nutrients needed to sustain themselves and ...