> I don't have data, but think that holding a scleropages jardini in a pond at
> an even 13degrees C throughout would be very stressful for the fish, and
> would probably not be good for its long term life prospects.
I probably should have mentioned that this is in a pond in a greenhouse, hence
temperatures would fluctuate, at times maybe dropping at low as 13oC. It
wouldn't be at this all the time. If that were the case then I would totally
agree with you.
Thanks
Peter