Six is just a number that people think. I have kept both danios and white clouds in groups of four without any problems. They are perfectly happy. Tetras are a bit different though and I would say five is a good number, but the more the merrier 
that would explain why i went through four or five individually-kept tetras as a kid lolTetras are a bit different though and I would say five is a good number, but the more the merrier![]()
that would explain why i went through four or five individually-kept tetras as a kid lol
6 White Cloud Mountain Minnows (or Cherry Barbs, if the minnows can't handle the warmer water)