One of the world’s most venomous saltwater fish is much more of a threat than previously thought. New research shows that lionfish can survive in fresh water that’s one-seventh the salinity of the Atlantic Ocean, meaning the invasive fish could potentially spread into rivers. The finding is all thanks to a curious sixth-grader who conducted a science project where she slowly diluted the salt water in tanks containing lionfish, AOL.com reports. Researchers at North Carolina State University have followed up on the project to confirm her results.
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