Matt Barbeau, Into the Blue (September theme: Blue)
While snorkeling in exmouth, I found this cowtail ray hiding behind some staghorn coral. As I started to frame up the shot, he began to swim away. I managed to fire off a few shots before he was too far. Off into the blue he goes, where I can't follow.
Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.