examples of marine mammals 
Marine mammals: many actively hunted species (more than 110 out of 116) are protected or are subject to hunting restrictions.
Short-haired amphibious marine mammal lacking external ear flaps that moves about on land by dragging its body; it is hunted for its meat, blubber and fur.
Amphibious marine mammal with external ear flaps that moves about on land with the help of its four limbs; it is hunted mainly for its fur.
Mammal found in cold and temperate waters whose flesh is highly prized; it is a protected species.
Mammal of warm and temperate waters famed for its intelligence; it is a swift swimmer (about 28 mph).