∙ Every year, 1.5 million tons of crabs are eaten over the world by humans. Crabs make up for a fifth of all creatures that are caught from the water bodies of the world.
∙ Most crab meat is very high in vitamin B12 (cobalamin). It is said that just 2-3 ounces of the meat of a crab will provide you with the entire day’s supply of the vitamin
∙ Male and female crabs can be identified externally. You have to look at their abdomens. The male crabs have narrow abdomens, while the female crabs have broader abdomens.
∙ The smallest known crab is the Pea Crab, named for its size; while the largest crab is the famous Japanese Spider Crab that has a walking leg span of as many as 3 to 4 m, and can go out to 8 m when outstretched.