The average 1,000-pound manatee eats about 150 pounds of food a day in the form of marine vegetation, or when held in an aquarium, romaine lettuce. Lots of lettuce. And it shovels it all down with its powerful lips and snout. Get a close up of a manatee eating lettuce in this video after the jump.

Manatee Eating Lettuce

Bonus Video:

If you want to watch a manatee float around for 10 minutes, this is your video. You can hear it monching around the 5-minute mark.