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Once established, lionfish tend to stay close to home, study finds

Lionfish may quickly overcome native species in an area, but new research has found that they don’t wander very far. Findings from this research may aid efforts to control lionfish populations and estimate their movements.

To study lionfish movements, a group of researchers from North Carolina surgically inserted trackers into 25 lionfish and released them on two different dates, two months apart, at a hard bottom reef called “210 Rock” off of Cape Lookout, North Carolina. The team set up nine receivers around the study site, seven of which remained active for the entirety of the study, which lasted from December 2008 until June 2009. A control transmitter helped the team test the transmission signals since it was attached to one of the receivers and would not move very far.

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