Articles on Corals

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We think of coral reefs as a diverse ecosystem, but each coral is an entire and complex microworld of organisms imperceptible to our eyes. Floriaan Devloo-Delva

What we have in common with corals and their unexplored microbial world

Just like humans, corals live with myriad microscopic organisms. We are just starting to understand this unseen world.
Bleached coral can take on luminously beautiful pink and purple hues - but don’t be deceived, these corals are under stress. Justin Marshall/coralwatch.org

In pictures: a close-up look at the Great Barrier Reef’s bleaching

The bleaching hitting the Great Barrier Reef not only harms corals. As these close-up photos show, it also deprives many other species of a home and livelihood.
Professor Morgan Pratchett surveys bleached corals on Australia’s GBR. Cassy Thompson, ARC Centre of Excellence for Coral Reef Studies

Coral Bleaching Taskforce: more than 1,000 km of the Great Barrier Reef has bleached

Bleaching has hit a huge swathe of the Great Barrier Reef, with many corals in the reef's remote northern reaches now expected to die as a result of warm waters linked to this summer's El Niño.
A new research expedition is documenting the deep-sea denizens of the Perth Canyon, such as this flytrap anemone and basket star. UWA/Schmidt Ocean Institute

We are finally learning the Perth Canyon’s deep-sea secrets

The Perth Canyon, off Australia's west coast, is twice the size of the Grand Canyon. But only now, with the help of remote-controlled submarines, are researchers finding out what lives in its depths.
After mass bleaching in 1998, more than half of coral reefs in the Seychelles have slowly recovered. Nick Graham

Obituaries for coral reefs may be premature, study finds

Coral reefs are the poster child for the damage people are doing to the world’s oceans. Overfishing, pollution and declining water quality have all taken their toll on reefs around the world. Perhaps the…
Bright colourful coral like this may soon disappear. USFWS Pacific

Global warming’s evil twin: ocean acidification

Greenhouse gas emissions have warmed the oceans in regions such as the Baltic by as much as 1.3°C. It is now thought that 90% of the heat added to the climate system by humans has been absorbed in the…

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