Masters of disguise, the leafy sea dragon is one of the trickier ocean critters to spot. Here's why these mythical-looking animals dazzle us—and how to take the perfect photo.

Great whites get all the glory, but bottom-dwelling sharks bring plenty to the table. Here, we're looking at some of our favorite seabed shark species.

Nudibranchs may look beautiful and delicate, but these sea slugs have some of the ocean's best defenses, making them worthy adversaries against would-be predators. Here's how to photograph them.

There's much more to the relationship between an anemonefish and a giant sea anemone than a sense of camaraderie. Here's how they keep each other alive.

When survival is the goal, greater security comes with numbers. Here, we're taking a closer look at schools and shoals—plus, we'll tell you how to capture the best underwater photos.

Diving alongside playful sea lions can be a thrilling experience. Here's what to expect—and how to snag the best photos.

An encounter with rays is a magical experience, but the key to making the most of it—and finning away with some stellar photos—is patience. Here's what you need to know.

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.

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.