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A bloom of algae from up above
Photo

Algae Bloom Brings a Red Tide

An algae called Karenia brevis can bloom into a sea of red when there are...
A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.
overview

Deep-sea Corals

It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft)...
April 2018
On Moorea, an island in French Polynesia, researchers are striving to complete a biocode—a DNA catalog of every life form big enough to pick up with tweezers.
overview

Scientists Catalog Life on the Island of Moorea

Welcome to Moorea, a tiny, isolated island in the middle of the vast Pacific....
April 2018
Fish swim in Cabo Pulmo Marine Reserve off the Baja California peninsula.
overview

How Laws Around the World Help Improve Ocean Health

Solving environmental problems often starts with small groups of people working to...
April 2018
Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
overview

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the...
April 2018
Tiny sponge spicules.
Photo

Sparkling Sponge Spicules

These sparkling sponge spicules are microscopic needle-like structures that many...
A pearly razorfish
Photo

Pearly Razorfish

The pearly razorfish’s name may be slightly misleading since it is neither as...
The mandarinfish lives in western Pacific tropical coral reef ecosystems and lacks the scales that are typically seen on bony fish.
Photo

Mandarinfish Duo

These beautiful mandarinfish (Synchiropus splendidus) are covered in bright blue,...
It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse Coral Triangle and one of the smallest seahorse species in the world! They can change colors like a chameleon to blend into their environment. This helps to protect them from p
Photo

Can You Spot the Seahorse?

It's a pygmy seahorse (Hippocampus bargibanti), found in Indonesia's biodiverse...
In some reefs, small fishes such as this broad-barred goby protect corals by eating invading seaweeds.
Photo

Coral Goby Cleans Coral

One of the first signs of a sick coral reef is seaweed creeping across...
A close-up photo of Killer Algae, Caulerpa taxifolia, a seaweed that has proven to be a successful invasive species.
Photo

Killer Algae (Caulerpa taxifolia)

A strain of this green seaweed, native to the Indian and Pacific Oceans, escaped...
A male surfer catching a wave in Hawaii
Photo

Inside the Wave, Makena Beach, Maui

“While the shore-break at Makena Beach is notoriously dangerous and powerful, it...

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