They don't react to their enemies. They remain in shallow waters to avoid danger.
Boats
Mainly motorboats.
it has no natrual enemies
No. Manatees live in tropical and sub tropical regions, not in the Arctic.
Boats - propellers kill more manatees than any other predator.
only speed boats and humans if not careful
they don't need to because they have no natural enemies
yes they do, they are fish,and sharks,or whales.
There are no natural enemies of the manatee for they do not share waters with sharks. One of the unnatural enemies are motor boats!
Sea cows have no enemies besides boats. Manatees are killed more by boats than any other thing. Its sad but true. Does this answer your question?
Manatees are consumers.
no one. manatees are docile.