Both black and white crappies spawn on the pond bottom like bluegills. They make circular nests in the pond bottom in colonies like bluegills do.
Very interesting.. I have never heard this before esshup.
When we do spring electrofishing sampling for gizzard shad, it happens to coincide with the crappie spawn. We run adult shad down the open banks where the electrical current is most effective as it gets near 6' or shallower then blast them. We roll a lot of spawning crappie-mostly males-near the heavy stuff but I don't ever recall rolling them in open cover-free water, always been in the trash.