> Patrick,
>
>I keep rainbows and blue-eyes outdoors successfully throughout the year,
>however I live in Brisbane Queensland and our night time winter temperatures
>are normally between 4 and 10C - although there are some colder nights :-)
>
>My pond temperature is around 15C at the moment.
>
>Regards,
>Barry.
>
Patrick Aldag
aldag at tzv.fal.de
http://www.tzv.fal.de