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Corals call for fish aid when attacked by Seaweed

Corals in the genus Acropora generate much of the structural complexity upon which coral reefs depend, but they are susceptible to damage from toxic seaweeds. Acropora nasuta minimises this damage by chemically calling goby fishes who within minutes start chomping on the seaweed.

Belize barrier reef in Danger

UNESCO has added the Belize Barrier Reef to its list of world heritage sites in danger. The reef was added as a world heritage...
Coral Reef

Scientists Reveal New Technique to Monitor Coral Reef ‘Vital Signs’

With the world’s coral reefs threatened by coastal development, pollution, rising sea temperatures and other factors, scientists have developed a new method to monitor the health of these underwater ecosystems.

Midnight Snapper is Creature of the Month

Bright yellow eyes distinguish the Midnight Snapper (Macolor macularis) from related species. You find it in the Western Pacific between 3 and 50 m,...

Motorboat noise halves reef fish survival rate

Noise from passing motorboats increases stress levels in young coral reef fish and reduces their ability to flee from predators - causing more than twice as many to be killed.

Mapping Coral Disease Clusters in the Caribbean

In the last 30 years, more than 90 percent of the reef-building coral in the Caribbean has disappeared because of a disease of unknown...
Acropora Table Coral. Photo credit: Tim Nicholson.

Over 30% of Species Threatened with Extinction

IUCN today released the latest update of their Red List of Threatened Species, on the eve of the UN Conference on Sustainable Development in...
Coral reef

Climate Change Remains a Threat to Corals

Hopes that coral reefs might be able to survive, and recover from, bleaching caused by climate change have grown dimmer for certain coral species. It was previously thought that corals may be able to take up stress-tolerant algae to provide critical nutrients, but they cannot do this for any length of time.
Whale shark by Tim Nicholson

Ningaloo Reef On World Heritage List

UNESCO adds Ningaloo reef in Western Australia to its World Heritage List. One of the longest near-shore reefs in the world, Ningaloo Reef hosts annual whale shark gatherings and is home to numerous marine species including a wealth of turtles.

Hamlet fish sheds light on evolution

SCUBA divers record distribution of reef fish and help make evolution discovery.