cold water also numbs nerve endings... reason that up here in the arctic zone 5 the
warnings about hypothermia start early in winter. People who have been brought back
after nearly freezing say they didnt really feel any pain as they fell asleep.
Ingrid

"Just Me \"Koi\"" wrote:
My LFS told me of the easiest and supposedly least painful way to put Fish
to sleep is to put them in water and slowly freeze the water. I suspect the
coldwater reduces their metabolism, and puts them into a sleep they don't
wake up from.