CRAB| WHAT DO YOU KNOW ABOUT THEM?
Crabs are a large group of aquatic and semi-aquatic animals belonging to the Deciduous Crustacean family. They differ markedly from their relatives
Crabs are distinguished from their crayfish, shrimp, lobster and crayfish by their distinctly shorter abdomen, which is tucked under the broad torso. This
gives them a distinctive, easily recognizable shape. At the same time, the crabs have reached an unprecedented level of diversity: 6793 species are grouped into 93 families.
are grouped into 93 families, which accounts for half of the entire genus.
In addition to their distinctive body shape, crabs are characterized by 10 pairs of limbs.
Crabs live in all of the world's seas and oceans, but they are most abundant in the tropics. The habitats in which these crustaceans live
Habitats range widely: They occur in shallow seas and oceans, among coral thickets on reefs and in deeper waters.
reefs, in depths of up to 5000 m, in cave pools, in intertidal zones, in mangroves and even in island depths far from the shore.
away from the shore. The vast majority live in saltwater, with around 850 species in freshwater. Crabs, which spend a long time
They store water under the shell or develop lung-like organs while on land.
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