Moray eels and grouper exhibit an interesting behavior you could observe on your next dive. Here are the signs to look out for.
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Seeing a shark on a dive is an instant highlight, be it a majestic whale shark, a bullet-fast mako or even a sleepy nurse shark.
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It's rare to see animals eating before your own eyes, but some of our Through Your Lens photo contest entrants were lucky enough to capture them on camera.