Often called "sea cows" alongside their manatee cousins, dugongs (Dugong dugon) are the only strictly marine herbivorous mammals and the only living species in the family Dugongidae.

Deep cleaning teeth helps get rid of bad breath and promotes healing of gum disease. But deep cleanings have risks too. Learn the pros and cons of deep dental cleaning.

Marine mammals are those whose life cycle is at least in part dependent on the ocean. They include cetaceans, such as whales and dolphins, sirenians, such as dugongs and manatees, pinnipeds, such ...