Crabs are crustaceans with a wide, flat body; small abdomen; short antennae; ten strong legs, the first pair modified into prominent grasping claws.
Crabs walk sideways. They hide under rocks, burrow into sediment, or camouflage themselves for defense.
Fish, snails, mollusks, algae, and food particles.
Wadis of western Jordan, including Wadi Hidan, Wadi Mujib, and Zarqa River.