Spinner dolphins (Stenella longirostris) need to surface in order to breathe.
Two Bottlenose Dolphin (tursiops truncatus) swim by along the Kona coast, Hawaii Island.
While scuba diving I photographed this Green Sea Turtle (Chelonia mydas) resting on a coral reef off Maui Island, Hawaii using a Nikon D2X camera equipped with a 60mm lens inside a Seacam underwater housing.