He sees you when you're sleeping, he knows when you're awake, and he apparently lacks a basic sense of fear.
Dec. 23, 2011
Torsten Blackwood / AFP / Getty Images
A scuba diver dressed as Santa Claus hand feeds a grey nurse shark at Oceanworld by Sydney Harbour on December 16, 2011. The popular aquarium has Australia's largest collection of the critically endangered grey nurse sharks which are referred to as the 'Labradors of the sea'.