02-13-2014, 07:50 PM
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Even if they're young, these fish need to be kept in a 300 gallon tank at the very minimum, and that's likely going to be too small once the fish are full grown too, if kept together. Bala sharks should never be kept in anything smaller than 125 gallons and that's considered a minimum for survival, not preferable to the fish. Those alone need the larger tanks for JUST them, go larger for the group.
Minimum tank size for redtail catfish alone is actually around 300 gallons. They can get four feet long, some larger or a tad smaller, once full grown, so I don't know why you have these giants in such a small tank. They're also aggressive and very high energy fish, best kept with other large fish in a huuuuuge tank or pond.
The bioload and fish size is too much in there, that's the biggest issue.
The heater is another problem, it should be kept around 76 degrees. A few degrees does make a difference.
As for your water parameters, we need ammonia, nitrite and nitrate, as well as PH and hardness. We need the numbers not you saying they're spot on. I say this because many will SAY they're spot on, but then it turns out they do not know what actually is spot on.
Last edited by Sylverclaws; 02-13-2014 at 07:55 PM..