hello, i recently purchased feeder fish for my piranhas and found a baby puffer fish in the mix..... hes obviously fresh water. but from my knowledge i understand that they can be moved from fresh to brakish to salt. i have a 10 gallon salt water that just finished cycling and i wanted to get a baby puffer for it. seems meant to be haha but im not sure if the move can be made. and if it can does anyone know how? pls help thanks