08-02-2010, 10:06 AM
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Originally Posted by eileen
If you look at the beginning of this thread you will see my unfiltered tub pond. It is just a 15 gal. plastic plant pot without a hole on the bottom and is above ground. It is on a rolling coaster on the bottom so that I can move it. The fish I rehome or give them away for free. I just keep 2 females and 1 male livebearer for the next spring and move them indoors to a small indoor tank. The mosquitos don't breed year round in my area only in late spring early summer. In climates like Florida or Hawaii they breed year round so you want Mosquito fish which you can leave in. Mosquito fish are ok to leave in the winter time in milder winters. I just happedn to have Endlers in mine and they will not survive the winter here even thought the weather is milder. If I had Mosquito fish or Platies I heard from a garden shop here in my area said they would be fine to leave in winter in milder climates.
I was looking into Gambusia (Mosquitofish) a while ago and it seems they have a temp tolerance of 33 to 100ºF. Long as the tub has a hole in the ice and doesn't freeze solid, you can keep them outside (though Ice can crack the tub.)