Crabs are decapod crustaceans, that means they’ve 10 legs, and are present in all of the world’s oceans. There are over 4,500 species of crabs, making them one of the vital numerous teams of animals on the planet. Crabs are available in all sizes and styles, from the tiny pea crab, which is just a few millimeters huge, to the enormous Japanese spider crab, which may have a leg span of as much as 12 ft.
Crabs are an necessary a part of the marine ecosystem. They’re scavengers, and so they assist to scrub up the ocean ground. They’re additionally a meals supply for a lot of different animals, together with fish, birds, and mammals.
