breeze block helping to regenerate reefs

An older section of the artificial reef showing signs of colonisation. Photo: R. Aspinall/Triggerfish Photography

Caribbean coral reefs have suffered the effects of hurricanes, overfishing, El Niño events, pollution, invasive species, sea urchin die-off and mass tourism – some loosing over 90% of their coral cover. But in Grenada one project is using towers of concrete to create new “reefs” for marine life to colonize. more at theguardian.com

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secrets of corals spawning

staghorn coral colony spawing

Teams of scientists dive beneath the waves to study one of the planet’s most prolific and mysterious rites of reproduction: corals spawning – a spectacular event occurring once a year after the full moon. “While scientists have learned a lot since discovering the rite decades ago, much remains unknown, especially about the exact mix of environmental factors that trigger the synchronized […]

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celebrate national oceans month

NOAA's #30daysofOcean

The month of June is dedicated to spreading awareness of Earth’s oceans and coastal ecosystems. About 71 percent of the Earth’s surface is ocean and while there is only one global ocean that is geographically divided into distinct named regions. NOAA is promoting awareness of all oceans on their site with #30daysofOcean…what do you know about our oceans?

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Coral Triangle clownfish figured out how to share

In most places, it’s one species of clownfish per anemone. But in the Coral Triangle in Southeast Asia, a new study finds, it’s common to find many species of clownfish sharing a single anemone home.

Usually, several individual clownfish of the same species occupy a single anemone — a large and dominant female, an adult male, and several subordinates. But the who gets to live where competition between 28 species of clownfish and 10 species of anemone could get quite competitive. But in the Coral Triangle of Southeast Asia clownfish have figured out how to share and anemones are […]

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