Beginner Freshwater Aquarium
So I have a 10 gallon tank, and I used to have 1 male betta, and 6 Otos. my betta died earlier this year, and I want to make my tank a community tank now.
I have some fish in mind, but to not make it a crowded tank, I don't know how many I can put in my tank.
I know that the rule of...