Sponges are using toxins, mucus, shading and smothering to kill and then take over coral colonies in areas that have been over-fished, finds a new study.
The government's plans to protect the Great Barrier Reef can't prevent its decline, the country's pre-eminent grouping of natural scientists said Tuesday.
A tenfold increase in protected coral species was announced Aug. 27, with 20 new corals added to the threatened species list.
When looking for a place to settle down, young corals and fish use chemical cues to sniff out bad neighborhoods littered with seaweed.
A large living coral reef has just been found in the coastal waters of Iraq.
An Australian agency approves dumping as much as 3 million cubic meters of dredge waste in park waters.
Coral animals produce a chemical that serves as a seed for clouds and gives the ocean its unique scent. Continue reading →
The estimate also comes with a price tag for describing all these Earth species, most of which are still unknown: $364 billion.
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