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Lost nets become entangled on a coral reef in the NW Hawaiian Islands, doing damage for decades. Wave action on the net breaks pieces of coral off until the net breaks, when it is free to catch on new reefs and do more damage.
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Lost Nets Hurt Coral Reefs

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Conservation

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This queen parrotfish scrapes algae from Caribbean reefs with its parrot-like beak.
Article

From Despair to Repair: Protecting Parrotfish Can Help Bring Back Caribbean Coral Reefs

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Large numbers of grey reef sharks were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai.
Article

Reef Sharks Repelled by People

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A red snapper hunts for prey on Kingman’s Reef, a healthy reef in the Line Islands.
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Kingman’s Reef, Line Islands

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Convict surgeonfish are the roaming sheep of the reef but, instead of noshing on grass, they feed on algae.
Article

Helpful Herbivores

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A comparison of an undisturbed Oculina coral reef and one that has been devastated by trawling.
Photo

Undisturbed vs. Trawled Reef

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A whale shark swims with a diver off the coast of East Africa.
Article

The Big Five of the Ocean: Exploring the Waters of East Africa

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Traditional fishing techniques now involve monofilament nets, with snorkelers diving down to ensure the bigger fish don't get away.
Article

Field Notes from the East African Coast

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Three gray fish swim in front of a large coral head.
Article

Cabo Pulmo – Giving Optimism to Coral Reefs

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A screen shot from video "From Despair to Repair" showing a black and white image of a coral reef in 1975.
Video

From Despair to Repair

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Giant clams are one of the many wonders of coral reefs. They can grow up to five feet wide, weigh over 400 pounds, and live for 100 years!
Photo

Restocking Giant Clams

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