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When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West Maui, I keep an eye out for certain kinds of fish. Not the brightest or the biggest, but those herbivores such as...
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By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit,...
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Scientists don’t often get the opportunity to travel through time. But nestled...
How do we know what coral reefs looked like hundreds of years ago? Often times...

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The pearly razorfish’s name may be slightly misleading since it is neither as rare as a pearl nor as dangerous as a razor. It is a common fish that tends to live in clear shallow areas near seagrass beds and coral reefs, where it...
The festive Christmas tree worm ( Spirobranchus giganteus ) lives on...
A master of disguise, the pygmy seahorse ( Hippocampus bargibanti ) grows to...

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Coral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one quarter of all ocean...
This is an unidentified moray eel , collected from 650 feet off the coast of Curacao. Morays are very secretive animals that tend to stay hidden in caves and crevices. Researchers with the Deep Reef...
Shallow water coral reefs straddle the equator worldwide. The shallow coral reefs found in U.S. territorial waters are highlighted in purple in this map. More about coral reef ecosystems can be found...
The blue-spotted stingray ( Taeniura lymma ) doesn’t like to be covered in sand like other species of stingray do. Instead, it prefers to show off its beautiful blue spots and, to stay up to the best...
This deep-sea black coral from Hawaii ( Leiopathes sp. ) is more than 4,200 years old. Black corals are named for the color of their skeletons, but the external tissues of black corals come in many...
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