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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 basket star with many arms.
Photo

Basket Star

Deep sea dwellers, the basket star uses its long, twisting arms to snag zooplankton...
Close-up image of white starfish feet.
Photo

Starfish Feet

Sea stars creep along the seafloor using hundreds of little tube feet. These tube...
Red Algae
Photo

Branching Red Algae

Under the microscope, you can peer inside the cells of this filamentous red algae....
Unlike the green, leafy algae we're used to seeing, coralline algae has a hard crust—which you can see here at the molecular level under a scanning electron microscope.
Photo

Coralline Algae Under the Microscope

Unlike the green, leafy algae we're used to seeing on the seafloor, coralline algae...
Hurricanes hurt humans and marine life.
Photo

Hurricanes and Marine Life

When hurricanes blow through an area, they don’t just have an impact on humans....
A look into a whale shark mouth.
Photo

A Smiling Gentle Giant

The whale shark (Rhincodon typus) is the largest fish on Earth. They spend most of...
Broad-leaf seagrass (Posidonia australis) with algae epiphytes grows at Corner Inlet Marine National Park in Australia.
Photo

Seagrass with Epiphytes

Broad-leaf seagrass (Posidonia australis) with algae epiphytes grows at Corner...
A satellite image of Hurricane Sandy as it passed over Cuba and Jamaica on October 25, 2012.
Photo

Hurricane Sandy "Frankenstorm" Over Cuba

What do you get when you mix together a hurricane, the remnants of a wintry...
Kelps are large, brown algae that grow along coasts around the world, especially in cooler regions.
Photo

Kelp Pennant

"Fronds of giant kelp, buoyed by their gas-filled pneumatocysts, wave like pennants...
dugong feeds on seagrass in the Red Sea
Photo

Dugong Feeding

Dugongs, along with manatees, make up a group of marine mammals called sirenians or...

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