I know what you are going to say...oh here comes Gian with his obsession, manatees...well I am not obsessed, I simply pay more attention to them than you do.
The oldest manatee kept in captivity turns 58 this month. This is an animal that every time he celebrates his b-day he breaks a record. The animal was born in captivity and after his mother died, he was hand raised and never released fearing he didn't have the necessary skills to survive (back then they didn't know all that we know today, on very rare occasions manatees are kept in captivity these days).
At the South Florida Museum's website they even have a Snooty cam where you can watch Snooty in his pool...in real life they are very boring animals, imagine through a web cam!!!