A Santa diver feeds whale shark Hachibei at the Hakkeijima Sea Paradise aquarium in Yokohama, (Yoshikazu Tsuno-AFP-Getty Images)
Christmas at the Coex Aquarium in Seoul, South Korea, Sunday, Dec. 7, 2014. (Lee Jin-man The Associated Press)
diver dressed as Santa Claus with a dolphin at Hakkeijima Sea Paradise in Yokohama (Yuriko Nakao-Reuters)
Divers decorate a Christmas tree underwater in Ohrid Lake in Macedonia. Photo AFP
Merry-Christmas-Bahamas-divers taken by Michael Cover
Santa Christmas celebrations at Aquaria KLCC underwater park in Kuala Lumpur, Malaysia (Vincent Thian The Associated Press)
Scuba Divers Underwater Photographs with Santa Claus at Jack's Diving Locker
Staff at Elite Diving Sharm El Sheikh
Scuba Santa charities- the RNLI and DDRC Healthcare.
Santa knows when your naughty or nice! Merry Christmas Everyone!