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Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
slideshow

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature (IUCN) maintains the...
Thu, 10/28/2010 - 19:01
Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
slideshow

Bizarre and Beautiful Coral Reef Animals

From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy...
Fri, 12/04/2009 - 14:05
A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
slideshow

Two Views of Coral Reefs: Thriving and Threatened

Coral reefs are beautiful, vibrant ecosystems that house roughly one quarter of all...
Tue, 12/15/2009 - 11:19
GEOMAR scientist Armin Form works at his lab during a long-term experiment on the effects of lower pH, higher temperatures and "food stress" on the cold-water coral Lophelia pertusa.
Photo

Deep-water Corals and Acidification

GEOMAR scientist Armin Form works at his lab during a long-term experiment on the...
Researchers can study ocean acidification in the lab by rearing organisms (here, Lophelia deep-sea corals) in seawater with variable pH and measuring if they grow, eat, breathe, reproduce, or develop differently.
Photo

Studying Acidification in the Lab

Researchers can study ocean acidification in the lab by rearing organisms in...
Sunset over a fishing net.
Photo

Technology and Sea Turtles

Sea turtles may have survived the planetary changes that killed the dinosaurs, but...
The head of a turtle-headed sea snake.
Photo

A Turtle or a Sea Snake?

Like other sea snakes, the turtle-headed sea snake (Emydocephalus annulatus) has...
Branching coral in naturally acidic water.
Photo

Fragile Branching Corals in Acidic Water

Branching corals, because of their more fragile structure, struggle to survive in...
But closer to the CO2 seeps, the complex reef has been replaced by a “monoculture” of boulder corals.
Photo

Monoculture of Boulder Corals

Close to the volcanic CO2 seeps, the vast diversity of corals that exists in...
A healthy and vibrant coral reef in Papua New Guinea.
Photo

A Healthy Coral Reef

Far away from the volcanic CO2 seeps, a healthy coral reef flourishes with a...
Acidic waters are also able to completely dissolve coral skeletons.
Photo

Dissolving Coral Skeleton in Acidic Waters

Near the intense volcanic CO2 vents bubbling from the cracks in the seafloor, the...
A young visitor holds up his painted fish Gyotaku fish print at the Smithsonian's National Museum of Natural History
Photo

Gyotaku Fish Print

Gyotaku is a traditional form of Japanese art that began as a way for fisherman to...

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