Code: Using only six fish and six tanks, she was able to demonstrate something entirely unknown thus far: Lionfish can survive in nearly fresh water. Source: http://www.foxnews.com/science/2014...yby-6th-grader-fish-project/?intcmp=obnetwork What do you guys think? I would love some freshwater lionfish (not the toadfish)! I always wanted one, but prefer a highly planted tank to coral! They would be amazing in a 75 gallon highly planted tank! Best guppy culling ever!