Brown crab

Decapod crustacean which presents a rounded and robust shell, covered in spines on the edges. Its colouration can vary from reddish tones to dark browns, with some variations in shade and speckled patterns. Its shell is marked by irregular lines and markings which give it a rough and textured appearance. Its sturdy claws have a rugged appearance, with pronounced knuckles and spines along their edges. Adults typically have a shell diameter of around 20 to 25 centimetres, although dimensions may vary depending on the region and environmental conditions.