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Category: Cook Islands

COTS on the move

Faster Than a Speeding Bullet?

Expedition Log: Cook Islands – Day 10 Juvenile and adult crown of thorns starfish (COTS) do not walk on their arms. Instead, they have thousands of tiny tube feet which occur along the grooves underneath each arm. Operated hydraulically using

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Sampling COTS: Tubefeet being collected

Locust of the Reef

Expedition Log: Cook Islands – Day 9 Coral reefs are considered one of the most productive and species-rich ecosystems in the world, but that doesn’t make them invulnerable to natural threats. The reefs in the Cook Islands have recently been

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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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The Hunchback of Aitutaki

Expedition Log: Cook Islands – Day 5 If you asked me if I thought we’d see a lot of turtles during our mission to Aitutaki, I’d have said no. There are very few sponges, which is an important food source

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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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Humpback Whale Season in Cook Islands

Whale Season

Expedition Log: Cook Islands – Day 3 As we landed in Aitutaki, the science team was excited to discover that it was humpback whale season. Each year between July and October these majestic animals pass by the Cook Islands on

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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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