Have kept them a few years back in Canada... extremley easy fish to keep and breed. They breed readily in a community tank too. I remember giving some floating plants to my brother from my community tank then about 3 weeks later, he had about 10 of these little guys just appear out of no where in his 90 gallon community tank LOL. There must have been more but since his was a heavily stocked tank, most probably got eaten. I don't recall any special water parameters. Toronto water usually on the harder side about 7 - 8 ph.
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