GP, do you listen? Don't talk to me about listening, when you need some help on that subject yourself. What did I say? No matter what size, a puffer should not be in a tank smaller than 10 gallons. And with 2 puffers???!!! The very very least you can do is buy a $7 10 gallon tank and wait the 6 months or whatever to buy the 2nd puffer. Although, I've seen many people like you at this forum and i highly doubt that you will even be purchasing a 60 gallon in 6 months. It doesn't matter if they're a size of a pea, they still need to be kept in a 10 gallon tank. Plus, they grow quickly (if you have the proper diet for them, which I'm guessing you don't.) and soon they will each be 2 inches long. Then they will start to fight in the little territory, (You 5 gallon, poor things!) they will be tottally stressed out, turn grey. You better hope to God that one of them isn't more aggressive than the other, it would tottally tourture the other puffer. I've kept puffers for a long time, I love them so much, their personalities, the way they love their owners, ext. But with you, I give those puffers 1 month to live. Why don't you change your name to, Inhumane_Puffer_Slayer? It fits you!!!