Description

A seamount reef at 1000 metres on the continental slope south of Tasmania showing hard and soft corals, sea urchins, and a brittlestar. Hundreds of new species have been discovered on extinct underwater volcanoes, or seamounts, that rise from the seafloor in the Coral Sea and the Tasman Sea between New Caledonia and Tasmania. Many of these creatures have been isolated on their underwater peaks for millions of years with dramatic implications for their conservation. Seamounts are increasingly being targeted by international deep-water trawling operations. The spread of trawl fisheries for orange roughy, alfonsino, and other deep-water fishes threatens seamount communities worldwide.

Attribution – You must give the original author credit. (CC BY 3.0)
Credit: CSIRO Marine Research

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