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Scientists measure the beauty of coral reefs

A beautiful coral reef is a healthy coral reef: new system judges health and beauty of reefs just from underwater photos.
Frog Fish, Great Barrier Reef

Great Barrier Reef: Australia to ban Sediment Dumping on Part of Reef

Australia has declared that it will ban dumping of sediment in the marine park area of the Great Barrier Reef, but not in the...
Parrotfish in fishing net

Caribbean coral reefs gone within 20 years

Most Caribbean coral reefs may disappear within 20 years, if something isn't done, a new report warns - but for once global warming is not to blame.
Coral reef

‘100 Years’ until Bleaching a Problem for Corals in Northern Red Sea

Warming seas around the world are threatening corals. But scientists from the Hebrew University of Jerusalem and Bar-Ilan University have noticed that corals in...
Coral reef

Coral’s Algae store Nitrogen

Scientists have learned that coral's symbiotic algae can scoop up available nitrogen, store the excess in crystal form and slowly feed it to the...

Creature of the Month, Harlequin Shrimp, eats Starfish Alive

Exquisitely patterned Harlequin Shrimp eats starfish alive: starfish takes days to die.

Diving – Enjoy, Not Destroy

In today's diving industry, the customer satisfaction, the return of business, the word of mouth and the competition for tips overrides environmental responsibility. Not for every dive center, not for every dive guide, but enough to see some frightful behaviour underwater.
Sea Fan

How do Corals form new Species?

How do corals evolve into separate species when their larvae can drift around the ocean over extremely long distances?
Manta Ray

Manta Ray is Creature of the Month

The Giant Manta Ray is the largest living ray and a very impressive sight underwater. Mantas migrate vast distances, crossing international boundaries, in search of food. Products from manta rays have a high value in international markets, and targeted fisheries hunt them for their valuable gill rakers used in traditional Chinese medicine. Monitoring and regulation of the exploitation and trade of manta rays is urgently needed, as well as protection of key habitats.

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.