20G would be good enough i got mine in a 10G for now im going to move it when the time comes id keep um by himself even though i have a firgure8 wit mine you will never know if they will fight
I want to put my pufferin a 10 gallon first. I have done research, and most of the information says that green spotted puffers get to 4 inches in a aquarium, but allmost 7 inches in the wild. What size can I expect my puffer to get?
around there, so far my gs puff is growing about as fast as my clown loaches, so having him in a ten for a while is no problem, give my puff plenty of space to hide and hes fine