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Sea Anemone

Photo: a brilliant purple sea anemone nestles in among soft corals and other reef inhabitants
A beautifully colored purple sea anemone awaits passing prey, which it stings with its venom-filled tentacles.
Photograph by David Doubilet

Multimedia

Sea Creature Features

Photo: Seal

Underwater Ireland

Put down that pint and go diving off the coast of Ireland. See the underwater surprises that await you in this multimedia feature.

Photo: Sea anemone

Photo of the Day: Anemone Enemies

Watch sea anemones, sponges, and coral in a slow-motion turf battle in the nutrient-rich waters of California's Monterey Bay.

Photo: Sea anemone

Photo of the Day: Fire Arms

Go 12,000 feet (3,657 meters) deep in the ocean off California and see orange-tinted sea anemones awaiting a hapless victim.

Photo: Green anemone

Photo of the Day: Green Meanie

The sting of a green anemone—seen here in the waters of the Channel Island National Marine Sanctuary in California—is harmless to humans.

Photo: Sea otter

Virtual World: Monterey Bay

Dive down into the diversity of life in California's Monterey Bay National Marine Sanctuary.

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Get an eye-opening warning of the dangers of climate change, one degree at a time.