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Birth of an Atoll

An atoll is a ring-shaped coral reef that forms as an old volcano erodes. This...

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Soft Coral

Most “typical” warm water corals found in shallow waters that most people...

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Lost Nets Hurt Coral Reefs

The impacts of derelict fishing gear on the Northwest Hawaiian Islands coral reef...

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Coral Larvae Settling

The small larvae of elkhorn coral (Acropora palmata) settle and grow on the...

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Closed-Mouth Coral

A live coral polyp with turquoise tissue and brown tentacles closes its mouth (the...

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Soft Coral Close-Up

These neon balloons weren't blown up for a party: they are the colorful tentacles...

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Deep-water Corals and Acidification

GEOMAR scientist Armin Form works at his lab during a long-term experiment on the...

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Studying Acidification in the Lab

Researchers can study ocean acidification in the lab by rearing organisms in...

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Pearly Razorfish

The pearly razorfish’s name may be slightly misleading since it is neither as...

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A Filter-Feeding Starfish

An orange brisingid starfish sits on a large reef of Lophelia pertusa, cold-water...

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Toothy Goby in Coral

The toothy goby or common ghost goby (Pleurosicya mossambica) lives among soft...

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Coral Goby Cleans Coral

One of the first signs of a sick coral reef is seaweed creeping across...