The brown crab, scientifically known as Cancer pagurus, is a popular crustacean found along the coasts of Europe. It has a robust, oval-shaped body with a brownish-green shell and large claws. Brown crabs can grow up to 25 centimeters in width and are known for their strong pincers, which they use to catch prey and defend themselves. These crabs inhabit rocky and sandy seabeds, often hiding in crevices or under rocks. They primarily feed on mollusks, small fish, and other marine organisms. Brown crabs are also significant in commercial fishing, making them a valuable seafood product in many countries.