"David" wrote:

I can already hear the howls of derision, and taste the flames of
scorn g.

snip

The next obvious (and reasonable) question would be, "what happens
when all these tropical fish are subjected to freezing temperatures?"
Well, suppose this affair was to be installed in S.E. Asia, where it
never freezes. (Which if this thinking works out, will be the case.)

I live in San Diego, with no frost. I kept an Oscar in my pond from May thru
October then bring him inside. I placed some platties in the pond in June to
see how they would do. There are a couple left. My water - at it's coldest
point - hits about 50 F. That's way too cold for the Oscar. I lost a lot of
platties when that temperature went over a few weeks.

It's not if it never freezes, it's, "what will the minimum water temp be.

If you haven't lost interest by now, and already gone on the the next
post, we are now at the crux of the matter. It would appear to me
that this concept would have to deal with at least all of the same
issues that a koi ponder would have to address. Plus, the additional
untidy little detail of, "how do you keep all these cute little fish
from being sucked into and lost or chewed up in all of the ponding
apparatus?"

I have a net in my skimmer to stop that. There were very few that I found in
the net. So I think they figure it out. Most skimmers I have seen on the
market today have such a net built in.

I have gone through many of the designs in rec.ponds, and in AWGS and
Koiphen, and this has been a very interesting and enlightening
experience for an (obvious) newcomer. I think some of this hardware
technology, and the bio-filtration systems are just wonderful! But is
it possible to apply it to little fishes? Is there a way to keep them
from all being sucked into a Savio skimmer, or a Spindrifter bottom
drain?
See net, above.

Is there any wishful hope that fishes generally tend to avoid things
that try to suck them in??? Or are completely different kinds of
filtration, (and a whole lot more manual effort) going to be
necessary?
Ditto

(After, {if?}, I hear from anyone in this group, I will address
something like this to rec.aquaria.freshwater -- however, conversely,
they won't know anything about all of this wonderful ponding
technology that is available.)

Thank you for all your endurance if you have made it this far with me.
And most certainly, thank you for any thoughts.

Regards,
David




San Diego Joe
4,000 - 5,000 Gallons.
Goldfish, a RES named Colombo and an Oscar.



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