For some reason the link didn't work but I think this is it
http://www.pondboss.com/forums/ubbthread...=true#Post25747Lots of good info. I liked the idea of caging them for protection and letting them spawn. Would probably work best with horizontal aeration nearby to keep the food flowing.
When are one of the great minds on here going to develop a dwarf gizzard shad so us Northerns can have shad that don't grow too big too fast?