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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How can you help save mantas and sharks from extinction? Go dive with them.
Thomas Peschak is a globally recognized photographer for National Geographic magazine who inspires millions with his images.
Entries have been flooding in for a chance to win a trip to Stuart Cove's to become a shark feeder for a day. Take a look at the Instagram contest finalists.