examples of marine mammals 
Marine mammals: many actively hunted species (more than 110 out of 116) are protected or are subject to hunting restrictions.
Widespread marine mammal with a mouth lined with corneous plates (baleen) and numerous longitudinal grooves on its throat.
Mammal found in tropical and subtropical waters reaching up to 65 feet in length; hunted mainly for its meat and blubber, it is now a protected species.
northern right whale
Marine mammal that can reach 100 feet in length and with a mouth lined with corneous plates (baleen); it was previously hunted especially for its oil and meat.