Goldfish stay alive in icy water in the wild by getting drunk, research reveals.
The popular pets produce lactic acid by swimming hard when lakes freeze over, which distills to ethanol ? pure alcohol .
It allows them to survive long, harsh winters in oxygen-free waters but puts them over the drink-drive limit.
Biologist Dr Michael Berenbrink, of the University of Liverpool, said: ?They are able to withstand large amounts of alcohol. It is amazing.?
How goldfish stay alive in icy waters in the wild - and it sounds like fun - Mirror Online