I had a group of 5 in a 40 gallon tank. It was rather cramped since they can get large. They got along fairly well until one outgrew the other. I'm sure if they had a nice 4 foot tank they'd do just fine.
I've read posts that say black axle chromis are hardier than blue-green or blue chromis, but I don't know whether they are any less likely to whittle down to one or two.
Had a group of 25 to start with and 3 months later 11 are left. Got them when they were tiny so that didn't help things but the rest were picked off one by one. The 11 that are left are here to stay
Had a group of 25 to start with and 3 months later 11 are left. Got them when they were tiny so that didn't help things but the rest were picked off one by one. The 11 that are left are here to stay
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