We had rescued 100+ silver arowana in the past 15 years but this has been a first. This fish developed positive buoyancy and totally lost balance in about 6-8 hours in the new 4500 gal tank for no good reason that I could see, and then died 2 days later in isolation tank, where it was alone, having ...

Lord, have mercy on David! Sorry to hear of this. Every time Dave and I crossed electronic paths, I was left grateful.

Do you mean to start afresh and compete with the fish jokes thread?