The crab is an animal that is part of the family of crustaceans. They are animals invertébrés.Il are several species of crab. To name a few, Blue Crab, Crab Chinese, Snow Crab, Coral Crab etc … some are tiny and others are crabs géants.Il sailors, freshwater crabs and land crabs. All have five pairs of legs, the first being shaped clamps.

His body is shaped like a circle and is brown on the back and paler on the belly. The male is larger than the female. Apart from water, it keeps water in its gills to breathe, he does not use oxygen. Crab walk sideways, and it does not slow the contrary. Some dig burrows in the sand and out quickly if they are given the name of ghost crab.

Crabs are actually useful because they clean the sand, but they attack against the young turtles and their eggs. It is carnivorous and feeds also on molluscs.

Crab molt regularly to allow it to grow. After the female has molted, its skeleton is empty. She can lay thousands of eggs that attach under the belly until they hatch.