Lionfish no match for big groupers

Despite its invasive success, the lionfish can't withstand grouper appetites

By Janet Raloff, 15:21 PM June 28, 2011

Initially all but ignored by native predators, the beautiful but venomous lionfish — an Asian native — has been spreading widely and rapidly throughout eastern U.S. waters and the Caribbean since being introduced through the aquarium trade. However, an international research team now finds that lionfish densities are amazingly low in the Exuma Cays Land and Sea Park in the Bahamas, apparently because the invasive fish has become a favored lunch of the native grouper. As a result of a 20-year ...

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