We're going to get my son a 5 gallon tank for his birthday. We asked him what kind of fish he wants, and his answer was "A BIG fish!"
So, what's the biggest fish you can put in a 5 gallon tank, that's not a bottom feeder or cold water?
So, what's the biggest fish you can put in a 5 gallon tank, that's not a bottom feeder or cold water?