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Category: Coral Ecology

Napoleon wrasse (Chelinus undulatas)

No Fish With My Chips Please

Expedition Blog: Cook Islands – Day 8 On one of our last nights in Aitutaki we feasted on a traditional Aitutaki buffet, featuring locally grown root crops, breadfruit, spinach, bananas, salads, potatoes, free range chicken and locally caught barbequed fish.

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COTS Removal

COTs Removal: No Easy Feat

Written by Carly Reeves Expedition Log: Cook Islands – Day 7 We’ve been chasing down the crown-of-thorns starfish (COTS) here on Aitutaki for twelve days now, and I’ve got the scars to prove it. A spine to the leg /

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Worm Snails Aitutaki Cook Islands

Worm snails

Expedition Log: Cook Islands – Day 6 We’ve seen a lot of unusual and colorful creatures that attach to the surface of a coral, bore a hole into its skeleton, or become encased by the coral as it grows. Most

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Herbivorous Reef Fish: Aitutaki's Grazers

Aitutaki’s Grazers

Expedition Log: Cook Islands – Day 4 It is always exciting to visit a new place and to dive on new reefs. What I find remarkable is that you can tell so much about the state of a reef, the

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Butterflyfish: Charismatic Coral Cover Indicators

Charismatic Coral Cover Indicators

Expedition Log: Cook Islands – Day 2 One of the most charismatic families of reef fish are the butterflyfish (Chaetodontidae). We’ve written about these species in previous blogs, but the importance of these species as an indicator of reef health

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Three COTS at night, eating a table Acropora

Addressing Acanthaster in Aitutaki

Expedition Log: Cook Islands – Day 1 Over the last four years, the Global Reef Expedition (GRE) has focused on the Pacific and Indian Ocean. These reefs are vastly different from Caribbean reefs, especially with regards to the numbers of

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BIOT's reefs

BIOT’s Bounty – Part Two

Expedition Log: BIOT – Day 27 In many ways, BIOT is a biogeographic crossroad in the central Indian Ocean. The archipelago is located in an area affected by extreme climate variability. In adjacent parts of the Indian Ocean, many of

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Adventures in Chagos

BIOT’s Bounty – Part One

Expedition Log: BIOT – Day 26 My initial thoughts after a diving on BIOT’s reefs can be summed up in a few words: remote, largely inaccessible, seemingly untouched, and flourishing with life. BIOT’s Reefs teeming with life like these Golden

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Changing Coral Communities at BIOT

Changing Coral Communities

Expedition Log: BIOT – Day 25 Before starting a research mission in a new area, I compile lists of all the species of corals and fishes that are known to occur in an area. For some areas, such as BIOT,

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Seagrass beds of BIOT

The secret seagrass beds of BIOT

Expedition Log: BIOT – Day 23 Seagrass beds are found in many tropical coral reef lagoons around they world. They provide important ecosystem services, including sediment retention, juvenile fish habitat, and coastal protection. Historically, seagrasses have also been used as

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