Who doesn't love Nemo? The star of an animated film about the underwater world has caused anemonefish to be instantly recognizable — even by nondivers.

Just in time for Halloween, here’s a gallery of Judy G’s eel photos from the Caribbean, Indonesia, Thailand and British Columbia.

It's always a thrill to dive with large schools of fish. Check out Judy G's gallery of schooling fish from Mexico, Thailand, Fiji, Costa Rica and Indonesia.

Judy G's macro gallery showcases little gems found in Indonesia, Fiji and other locations; plus, her tips on getting ready for close-up photography.

Bridges, piers and oil platforms are prime real estate for attracting marine life, from tiny critters to oceangoing giants. Here are some of the world's best.

We've put together a photo gallery of 15 wrecks — some open to scuba divers and some not; some of their stories known to us and some not — that move us.

These freshwater experiences — from Iceland and the Great Lakes to China and the Florida springs — offer an exhilarating change of pace.

Want to dive Thailand? Check out this trip aboard the Thailand Aggressor liveaboard.

Lovely ships, spectacular dives, and friendly crews await you on Siren Fleet Luxury Liveaboards