Related topics: coral reefs · coral · great barrier reef

Tiger sharks revealed as lazy predators

One of the ocean's most feared predators – the tiger shark—has been revealed as a relaxed and sometimes lazy hunter by scientists studying their behaviour.

Stricken ship refloated after Solomons oil spill

The ship at the centre of an environmental disaster near World-Heritage listed waters in the Solomon Islands was refloated Saturday after being stranded on a coral reef for more than three months.

Thai bay made famous in 'The Beach' to be shut until 2021

The closure of the glittering Thai bay made famous by the movie "The Beach" has been extended for another two years to allow a full recovery of its corals and wildlife, an official said Thursday, drawing a sharp rebuke from ...

Shipwrecks off NC coast harbor tropical migrants

Tropical and subtropical fish are taking up residence on shipwrecks and other sunken structures off the North Carolina coast. This pattern may continue or even accelerate in coming years given predictions of warming oceans ...

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Reef

In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water (six fathoms or less at low water).

Many reefs result from abiotic processes—deposition of sand, wave erosion planning down rock outcrops, and other natural processes—but the best-known reefs are the coral reefs of tropical waters developed through biotic processes dominated by corals and calcareous algae. Artificial reefs such as shipwrecks are sometimes created to enhance physical complexity on generally featureless sand bottoms in order to attract a diverse assemblage of organisms, especially fish.

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