A robot to zap 'Darwin's nightmare,' the invasive lionfish

Lionfish are invasive to the Atlantic Ocean and their voracious appetites are upsetting coral reef ecosystems. A new non-profit company wants to restore the balance by building a robot to...

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The lionfish is an invasive speciesIt's also Darwin's nightmare.In its native home of the Indo-Pacific,the lionfish is a fierce unrelenting predator.In the mid-1980s, exotic pets including lionfish became popular in the U.S.Scientists suspect pet owners eventually dumpedtheir adult lionfish in the Atlantic.The lionfish now threatens ecosystems up and down the Atlantic.But they should watch out.A new robot is entering the fray.Meet the lionfish terminator.To learn about this robot,we traveled here to Bermudawhere we teamed up with the Nekton missionThis new alliance of 30 scientific organizations and companieswants to conduct one of the largest marine life surveys in history.Oliver Steeds: We use divers the first 1,900 metersand then these extraordinary...