09-22-2012, 12:09 PM
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Originally Posted by fish monger
At the risk of being bombarded with disagreement, that tank is fine and you don't have to limit it to the shark. RTS are grazers and inspectors. They don't swim the tank from end to end incessantly. You can add appropriate tank mates to a rate that is healthy for the capacity of the tank. I purchased a tiny RTS and put him in a 30 gallon community tank. Less than a year later, he has reached full size and is flourishing.
I don't mind keeping him alone, I have other tanks for other fish. I have read that some RTS get ornery as they age, and I wouldn't want him harassing the other fish to death. I hear it is hit and miss and some are more friendly.
The tank used to house a single ryukin Goldfish
so I'm used to it being understocked. I just need to redecorate it, add some driftwood and get a heater.