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Cooperative Hunting: How Eels and Grouper Partner on Prey
Moray eels and grouper exhibit an interesting behavior you could observe on your next dive. Here are the signs to look out for.
Shark and Rays are Disappearing Faster than Expected, New Study Finds

Some shark populations have decreased by 70 percent. The oceanic whitetip shark experienced the greatest decline, losing 98 percent of their population in just 60 years.

WATCH: Scuba Divers Rescue Shark Tied to Ocean Floor by Fishing Line

Two divers freed a shark snared by a fishing hook to the seafloor off the coast of Australia.

Six Animal Aggregation Dives to Add to Your Scuba Bucket List

With careful planning and a bit of luck, some divers get the chance to see hundreds or even thousands of rare animals underwater at once.

Diving Monterey Bay’s Squid Mating and Death Frenzy

Divers witness a life and death melee in the waters of Monterey during the annual squid mating aggregation.

What It's Like to Dive with Polar Bears

This professional cave diver treks through the remote Canadian Territory of Nunavut to scuba dive with the greatest predator in the Arctic.