Patrick Webster chronicles his coldwater adventures onboard Linblad Expeditions, highlighting the fascinating and colorful jellyfish found among polar kelp forests.

With long slithering bodies that tend to stick to the shadows, eels can be tricky subjects to successfully capture on camera. Here's how to improve your chances of landing a winning shot.

Bonito, Brazil is a growing hot spot to dive with anacondas. A snake nicknamed Ana Julia was well-known to the local community. She was recently found dead leaving locals, scientists and filmmakers wondering how she died.

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.