There are over 6,700 species of crab.
The Japanese spider crab holds the title of the world's largest crab, with a span of 12 to 13 feet.
A gathering of crabs is referred to as a cast.
Crabs belong to the decapod category, boasting a total of 10 legs.
Female crabs have the capacity to release between 1000 to 2000 eggs in one go.
Crabs exhibit the ability to move in various directions, though they typically walk and run sideways.
They represent some of the smallest crabs globally, with diameters ranging from .4 to .6 inches.