Underwater Santa Claus Pictures - CBS News Underwater Santa Claus A tropical fish examines Jerry Cowley, aquatic safety manager at the Silverton Hotel-Casino as he interacts with children as an underwater Santa Claus, Dec. 9, 2012, at the casino's aquarium in Las Vegas. On weekends during the Christmas season, Cowley dives dressed as Santa into the 117-gallon aquarium tank for 90 minutes to take Christmas present requests from children using an underwater microphone and to pose for photos. Credit: AP Photo/Julie Jacobson