Wednesday, May 12, 2010

Killer seaweed threatens corals

Locations of coral reefs.Image via Wikipedia "Waving with the currents on the seafloor, a seaweed species that looks like tufts of bright-green grass is somewhat of an assassin, at least for nearby coral reefs, a new study suggests.

Its weapon of choice: natural chemicals.

The seaweed, called Chlorodesmis fastigiata, along with several common species of seaweeds in both the Pacific Ocean and the Caribbean, can kill corals upon contact by releasing deadly chemicals."
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