10-27-2010, 05:01 PM
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Originally Posted by joshuaedgington
I would say you could fit in 7 cardinals, 3/4 small/dwarf cories and 1 or 2 guppy or endler, male only
I'm sorry but this is not possible. I would not subject my cardinals to a 10g tank much less an 8g, even if there were only 5 of them. It is simply not enough space for a fish that can attain close to 2 inches if properly maintained. Quiet and sedate fish they may be, but they deserve more space than what you are suggesting.
And cardinals should never, ever be housed with any livebearers; the two fish require completely different water parameters. Livebearers need harder water, while cardinals could not be any more opposite; they occur in streams with zero hardness and a pH below 5. Subjected to hard water above pH 7 they are prone to problems including calcium blockage of the kidneys. They have more than a 10-year lifespan in suitable water; the fact that they seldom attain this longevity is largely due to being maintained in unsuitable water parameters and conditions.
Last edited by Byron; 10-27-2010 at 05:05 PM..