Hello in my tank I currently have 10 neon tetras, 1 Betta and 2 dwarf otto's. I am wanting to add more otto's I was thinking maybe 8 more to make a shoal of 10 as I know they like being in a group and 2 isn't enough!
Doesn't have to be a shoal of ten could be 6 if it's to many.
The tank is...