JUST THE FACTS: MANATEES

Grow up to 13 feet and weigh up to 3,650 pounds / Eat about a tenth of their weight a day, feeding on seagrass / Generally swim 3-5 mph but an rea h speeds of 20 mph / Thrive in warm, shallow waters in coastal areas / Hold their breath up to 20 minutes / Nurse their calves for up to two years