Yeah, pity about that migrating business. I did read that some silverside populations had become landlocked. But Nature's experiments are a whole difference scale than ours.
Pond is 8' deep and aerated but silversides like to swim around, not bury themselves in the bottom. In the dozen years I've been at this site, I haven't seen more than 2-3" of ice in standing water. I'm in King George on a ridge with the Potomac 2 miles to the north and the Rappahannock 2 miles to the south, and down the road from a Bald Eagle Santuary. IMHO this is as good as it gets.
Loretta talked me into getting some FHM. Any idea how many I should get (60,000 gal or 0.045A) - the fish truck sells them by the lb. The PondBoss says 5lb of FHM/A but I don't know if this holds for small ponds. I don't think the truck will sell them by the quarter pound.
