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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...
The face of a serpent eel pokes up from beneath the sand.
Photo

Sea Serpent

The serpent eel spends most of its time buried in the sand with only its...
A close-up image of the face of a whitemouth moray eel.
Photo

Whitemouth Moray Eel

The whitemouth moray eel is one of the roughly 200 species of moray eels....
A blue and yellow colored blue-ribbon eel.
Photo

Blue Ribbon Eel

All blue ribbon eels undergo an immense transformation within their lifetime. At...
A yellow ribbon eel
Photo

Ribbon Eel

This female ribbon eel began its life as a male. All ribbon eels are born as males...
Fireworm Setae
Photo

Fireworm Bristles

No, this isn't a bundle of paintbrushes: you're looking at a fireworm...
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...
A couple inches wide and up to ten feet long, the bobbit worm stays hidden under tropical sands with just its five antennae poking out—waiting for prey to swim by.
Photo

The Bobbit Worm

There aren't any mummies or zombies buried under the seafloor: instead the ocean...
Syllid fireworms can be found mainly on the seafloor, but they switch to a planktonic form to reproduce, where the females use bioluminescent signals.
Photo

Syllid Fireworms

Syllid fireworms are a part of the Syllidae family, which is a type of...
Red hot magma and ash erupt from an underwater volcano.
Photo

An Underwater Volcanic Eruption

A volcanic eruption of superheated magma (some 2,200 degrees Fahrenheit) from the...

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