They are simply adorable! I wonder if they'd do well in a 10L tank, that's about 3 gallons right?
Oh and I read that dwarfs don't seem to have the overgrown teeth problem. (source: http://www.dwarfpuffers.com/)
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i might buy two more females since i think i have more males right now D: looking REALLY HARD and im noticing the differences better and better
As long as they are not fighting, I wouldn't really worry. I'd be more worried about overstocking :/
A while back I found this vid btw; http://www.youtube.com/watch?v=6o1fw9jtRNc