What is a Japanese spider crab? They may look like something from ... Japanese spider crabs are the largest, spanning up to 12.5 feet from the tip of one front claw to the other.

The biggest crab in the world, the Japanese spider crab, is capable of achieving a leg span of more than 13 feet (4 meters) across. Read on to get better acquainted with the Japanese spider crab ...

First up is the Japanese spider crab, which holds the title of the largest crustacean in the world. These long-legged creatures can have an incredible leg span of up to 12.1 ft (or 3.7m!) ...

It looked like an alien from a sci-fi movie. But in reality it is a Japanese spider crab, one of the world’s largest crustacean arthropods, kept at Yokohama Hakkeijima Sea Paradise in the city ...