Graham Gibson: Graham underwater
Graham Gibson: Checking each other out
Graham Gibson: Yellow fish
Graham Gibson: Peekaboo
Graham Gibson: Graham snorkeling
Graham Gibson: Ari coming up
Graham Gibson: Sea turtle
Graham Gibson: Crown of thorns
Graham Gibson: Deep snorkeling
Graham Gibson: In the shallows off Cozumel
Graham Gibson: Small ray off Cozumel
Graham Gibson: Under the pier
Graham Gibson: Curious fish