The Japanese spider crab is a giant crustacean that can grow up to 12.5 feet that is most commonly found on the Pacific side of Japan.

At first glance, they look like ancient monsters that have crawled straight out of a sci-fi movie. However, in the marine community, they are known to be gentle giants.

As a species of marine crab, these crabs are often found inhabiting holes and pits on the ocean floor between 160 – 2,000 feet in depth.

Living at such deep depths and covered in a thorny protective exoskeleton, with 10 giant legs – these animals have few natural predators.

They are omnivorous, and they diet on dead and decaying animals and plant matter on the sea bed. They may at times also eat live fish that come there way.