Yep, as long as the pond doesn't freeze solid, and a hole is kept in the ice. I live in central Maryland. I have four orfe that are now about 13-15" long that I added to my pond in 1997 and 1998. They have overwintered fine. My winterizing page is at
http://www.fishpondinfo.com/winter.htm and my orfe page at
http://www.fishpondinfo.com/orfe.htmIt's funny. This section is for "pond animals other than fish," and, last I checked, orfe are fish.