I made my spawning structures per Brian Zimmerman by stacking CD's with washers between creating varying thickness. I made 11 structures from 40-150 CD's tall. I also used 1/4" and 3/16" ceramic tile stacked and glued with alternating sides off-center and placed on top of cinder blocks. When I lowered and seined my forage pond last fall I collected 6 SFS out of hundreds of pounds of BNM, RSH and a few FHM. I believe in my case, my forage pond (we need abbreviation for that, I think FP will work ) has no current and is really not big enough to have wind action even and I "think" a bit of water movement would help. Of those 6 collected, they were mostly male, bright, beautiful blue and were all about 5" in length. Girls were about 4, maybe 4.5" and very silvery. I guess I had 2 of 6 girls..
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