I would think the long-term viability of crayfish depends on how much cover they have and the type of crayfish present. Papershells seem to be preferred in SMB ponds. I credit mine with a dramatic decrease in curly leaf pondweed in my 1 acre pond.

[Linked Image from i.imgur.com]

Water is now 12" higher completely covering jetty

Last edited by RAH; 03/10/20 08:46 AM.