Also known as the North American manatee, it is a gentle marine mammal in the manatee family. Mainly distributed in the waters along the Caribbean Sea and the Gulf of Mexico coast. The body is spindle shaped, with a wide back and no dorsal fins. The head is small and the entire body is gray, but sometimes the appearance may appear brown, red, or white due to algae or barnacles attached. Usually inhabits calm and lush shallow seas, near river mouths, or in rivers. It is a herbivorous animal, and its main source of food is seagrass and other aquatic plants. There are four rows of teeth, and each row of teeth will gradually move forward and replace over time. Usually, only one litter is born, and young animals can swim shortly after birth.

Also known as the North American manatee, it is a gentle marine mammal in the manatee family. Mainly distributed in the waters along the Caribbean Sea and the Gulf of Mexico coast. The body is spindle shaped, with a wide back and no dorsal fins. The head is small and the entire body is gray, but sometimes the appearance may appear brown, red, or white due to algae or barnacles attached. Usually inhabits calm and lush shallow seas, near river mouths, or in rivers. It is a herbivorous animal, and its main source of food is seagrass and other aquatic plants. There are four rows of teeth, and each row of teeth will gradually move forward and replace over time. Usually, only one litter is born, and young animals can swim shortly after birth.

The West Indian manatus, also known as the Caribbean manatee or North American manatee. It is the only large herbivorous mammal in the ocean. The body color of the West Indian manatee changes from gray to brown. Although there are differences in length and weight, on average, adult manatees can grow up to 3 meters long and weigh 454 kilograms. Among marine mammals, they are quite unique animals. Scientists have identified two subspecies, namely the Florida Sea located on the southeastern coast of the United States and the Antilles manatee located on the coasts of the Greater Antilles, the Gulf of Mexico, and the Atlantic coast of Central and South America.