Manatees are wonderful creatures and are incredibly friendly. There are only about 3000 of them alive.
The are not supposed to be bothered as they are a protected species, but if you go snorkeling near them they may come over to you for some attention. In Florida there is a big controversy between sports fishermen and people who want to protect them.
I was dangling my feet off the end of the boat and this one (a one year old) came up and wanted to play.
That's Jessica on the right scratching it. As you can see it rolled over and actually wants you to scratch it .. mostly between the flippers.
A Manatee at Homosassa Springs with a school of Jacks.