A member of the tarantula family, the Goliath birdeater takes the prize for the heaviest spider in the world. As is the case with many spiders, the females are bigger than the males because they ...

Giant spider crabs are the largest known species of crustaceans in the world and can live up to 100 years.

Learn about the giant Japanese spider crab and its unique characteristics.

"Meet the giant Japanese spider crab and uncover its unbelievable features. How to Survive is a Webby Award-winning series offering expert tips for surviving disasters, attacks, and life's ...