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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.](/sites/default/files/styles/3_2_small/public/2023-11/2006867613_b93836c1ed_b_0_0.jpg.webp?itok=XntAjGhQ)
overview
Scientists Catalog Life on the Island of Moorea
Welcome to Moorea, a tiny, isolated island in the middle of the vast Pacific.......![Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.](/sites/default/files/styles/3_2_small/public/2023-11/1_08-P03-G12_1.jpg.webp?itok=lTjZPM-8)
overview
Corals and Coral Reefs
Coral reefs are the most diverse of all marine ecosystems. They teem with life,......![A shell placed in seawater with increased acidity slowly dissolves over 45 days.](/sites/default/files/styles/3_2_small/public/2023-11/PMEL_Feely_dissolving-shells_main_1.jpg.webp?itok=X5Vs7NSf)
overview
Ocean Acidification
Ocean acidification is sometimes called “climate change’s equally evil twin,”......![Coral scientist Dr. Amy Baco-Taylor observed corals like these on her first submarine dive to a deep-sea coral bed off the coast of Hawaii.](/sites/default/files/styles/3_2_small/public/2023-11/deep_sea_coral_community_full.jpg.webp?itok=iVxQ0pym)
slideshow
Diversity of Deep-Sea Corals
Sample the surprising diversity of deep-sea corals. See some of the ways they......![After ocean scientists sort deep-sea coral samples into their different types, they measure and photograph the specimens.](/sites/default/files/styles/3_2_small/public/2023-11/photographing_specimens_full.jpg.webp?itok=2kHGgZkN)
slideshow
Studying Deep-Sea Corals
What happens to deep-sea coral samples after they are collected? In this image......![This species of bamboo coral, discovered in 2004 in the Pacific Northwest, has unusually long and impressive tentacles.](/sites/default/files/styles/3_2_small/public/2023-11/new-bamboo_coral_full.jpg.webp?itok=odWJIRlK)
slideshow
Newly Discovered Deep-Sea Corals
It's a new age of discovery for scientists studying deep-sea corals. In this image......![Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.](/sites/default/files/styles/3_2_small/public/2023-11/4_01_R01_G02-full_1.jpg.webp?itok=1qv0Skn_)
slideshow
Zooxanthellae and Coral Bleaching
Tiny plant-like organisms called zooxanthellae live in the tissues of many...![Colorful fishes throng a reef in the Northwestern Hawaiian Islands.](/sites/default/files/styles/3_2_small/public/2023-11/800px-Nwhi_-_French_Frigate_Shoals_reef_-_many_fish_0.jpg.webp?itok=7oNzeQ14)
slideshow
Bizarre and Beautiful Coral Reef Animals
From parrotfish that cover themselves in a blanket of their own mucus to tiny...![A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.](/sites/default/files/styles/3_2_small/public/2023-11/NWHI-full_1.JPG.webp?itok=Em09GF_n)
slideshow
Two Views of Coral Reefs: Thriving and Threatened
Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of...![The People's Reef--Part of the Hyperbolic Crochet Coral Reef](/sites/default/files/styles/3_2_small/public/2023-11/HCCR7Cropped_2.jpg.webp?itok=792Ugc0Q)
slideshow
The Hyperbolic Crochet Coral Reef
The Hyperbolic Crochet Coral Reef, created by Margaret and Christine Wertheim of......![This new species of lobster (Dinochelus ausubeli) is blind and has bizarre claws. It was discovered about 300 meters (984 feet) deep in the Philippine Sea by a Census of Marine Life expedition.](/sites/default/files/styles/3_2_small/public/2023-11/lobstergrab_full_0.jpg.webp?itok=4koJ_nDP)
slideshow
Deep Ocean Diversity Slideshow
Deep sea animals have to live in a very cold, dark, and high-pressure environment......![Harbor seal in a kelp forest near Cortes Bank, near San Diego California.](/sites/default/files/styles/3_2_small/public/2023-11/w144_-_overall_-_Kyle_McBurnie.jpg.webp?itok=G_bwEUwC)
slideshow