01-17-2010, 12:53 PM
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The bushfish will be the most aggressive fish in the tank, so I'd add it last. The knife will take a few weeks to adjust, so that would be the first to add. You could probably do the bichir and knife first, followed by the butterfly and then the bushfish. Theres a good possibility that the knife won't eat for the first week....don't worry. They have poor eyesight and need to learn the new tank before they will feel comfortable enough to eat. Also, you'll need 2 caves for the knife - one at each end of the tank. That will fascilitate movement from one side of the tank to the other. The way my tank is currently set up, with just one cave, the knife doesn't really make it to the other side much. It is a shy fish, so it won't want to be far from cover. With caves at each end, the knife will move from one to the other, and will swim more freely beause it's got a safe place to retreat to, no matter where it is.
One other thing. The knife is a scaleless fish and is VERY sensitive to meds, especially ich meds. Water quality is really important. I know some people like the internal filters, but I just don't think they're up for the job.
For some reason I thought you had a 55. That 30 gallon tank will not hold those fish for very long. In a smaller space like that, the bushfish will be very aggressive towards the knife. I had to keep my fish in a 29 while I searched for a new 55, and it was getting ugly. If I didn't find that tank when I did, I was going to move the knife to another tank.
Last edited by jaysee; 01-17-2010 at 01:03 PM..