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dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

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Bright bubblegum coral sits on a brown, hard substrate.
Article

Optimism in the Deep Sea - Connecting Corals, Museums, and Ocean Managers

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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

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A screenshot from the video of colorful corals.
Video

Slow Life: Time-Lapse on the Coral Reef

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A screenshot from the video showing a giant barrel sponge.
Video

What Makes Sponges Grow?

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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
Slideshow

Bizarre and Beautiful Coral Reef Animals

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The staghorn coral is listed as Threatened under the U.S. Endangered Species Act. It is one of 22 coral species listed.
Photo

Staghorn Coral

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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

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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

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Tiny sponge spicules.
Photo

Sparkling Sponge Spicules

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Corallimorpharian
Photo

Soft Coral Close-Up

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