Your fish will be just fine as long as the water remains liquid, that is,
not frozen solid. They will just hunker down and wait till things warm up.
Don't feed them ANYTHING when the water temp is below 50 degrees though. If
the pond would freeze over, it would be a good idea to keep a hole open in
the ice. A small air pump and air stone meant for aquarium use would do it.

Paul

"animaux" wrote in message
...
Well, I bought a heater for the pond. The pond is a combined 165 gallons
with
four 12" comets. The water dropped to 45oF last night, not much warmer
today.
We are pretty cold for Texas.

Anyway, the fish are huddling at the bottom, moving very little, but look
fine.

Here is the question:

Would the pond stay a bit warmer if we do two things; remove the water
globe
feature, and stop the waterfall feature from the other pond. By the other
pond,
I mean the 30 gallon part where the water drips into the 135 gallon tank.
It
was my thought that putting the water into the air via the water globe
(bell or
whatever they call it) the warmth is being totally lost in the cold air.

I just want what's best for the fish.

V