Grass carp when 24+" can damage and eliminate a lot of water lilies. The GC do not necessarily eat the lilies but they trim off the pads eventually killing the lilies. The GC do not generally bother the lilies until all the other plants are consumed or there is a lack of other submerged plants.

Last edited by Bill Cody; 04/12/17 07:01 PM.

aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management