If you have a trip planned to the Indo-Pacific, make sure to learn about these six curious-looking fish before you splash.

Producers of some of the world’s most potent toxins, ribbon worms are incredibly adept—if underappreciated—hunters. While they pose no threat to humans, their encounters with other sea creatures are the stuff of nightmares.

Few creatures are more fascinating than cephalopods, with their unparalleled (and truly unique) methods for deceiving both predators and prey. It's these methods, in part, that make them the ideal subjects for your underwater photos.

Discover Isla de la Plata, a unique scuba-diving destination just an hour away by boat from the coast of Ecuador, where you can see whales, oceanic manta rays, whale sharks, sea turtles and sea lions.

On Australia’s most easterly point, Nguthungulli Julian Rocks is a lesser-known spot with some of the best diving in Australia.

In this edition of “Ask a Marine Biologist,” David Shiffman discusses polar gigantism.

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman discusses osmoregulation and whether fish can adapt to different environmental conditions

Always wanted to explore a wreck, but not sure where to start? We've got tips on wreck diving from a pro that will have you down there (safely) in no time.

Within coral reefs exists an intimate marriage between land and sea. Learn more about how these reef ecosystems have shaped our planet—and why it’s important to protect them.