Minnows in the pictures look like emerald shiner to me. Notice the large eye and somewhat larger scales. You should know by next September if the emeralds spawned. Young of year(YOY) should be 1.5" long and easy to tell if they are emerald or fatheads.
One gallon of FHM would have been enough to populate your 0.4 -0.5 ac if you have good spawning habitat and don't put in the SMB predators until fall. Laggis Perch (4"=6") are okay to stock in April or May. Feed the high quality pellets and those YP could be 8"-10" by October.
Last edited by Bill Cody; 02/06/24 09:17 PM.