Monachus monachus lives in sea caves. Its fur is short black (males) or brown to dark grey(females). The snout is short, broad and flat, with nostrils that face upwards. The flippers are short with small claws. It can reach up to 2.4 meters in length. It usually lives for 20 to 25 years. It can dive and hunt for food in deep water. It can swim very well!!!