Lionfish, a beautiful exotic species from the Indo-Pacific region, began appearing in the Atlantic Ocean in the 1980s, possibly due to pet owners releasing them into waters. Since then the Lionfish have multiplied massively, eating smaller fish and out-competing fish like Grouper for food. Meanwhile they have no predators, giving them the moniker “Darwin’s Nightmare.” A group of people have developed a robot that will electrocute and collect the Lionfish.  >>> Article from PBS Newshour

http://www.pbs.org/newshour/updates/robot-lionfish-invasive-species-rise-nekton/