Manatees are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing three of the four living species
Underwater photography on endangered mammal manatee
A skeleton of a manatee and calf, the Museum of Osteology, Oklahoma City
Skull of a West Indian manatee, the Museum of Osteology, Oklahoma City
Endangered Florida manatee (Trichechus manatus)
The West Indian manatee, also known as the North American manatee, is a large, aquatic mammal native to warm coastal areas of the Caribbean, from the Eastern United States to northern Brazil. Living a
Manatee
…living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West African manatee (Trichechus senegalensis). They measure up to 4.0 metres (13 ft 1 in) long, weigh as much as 590…
Manatee with calf.PD colour corrected
Manatee from Crystal River, Florida
Basking at Haulover Canal, Merritt Island National Wildlife Refuge, Florida