I'm really glad the experts have jumped in here. Great advice from them. I second TJ's comments above about YP. They are great eating, and easy to fillet. Once I found out how to catch them, they are pretty easy for grandkids to catch. (Spring and fall)
The last video looks good. Lots of progress.
Also, I overstocked on the FHM, and they are still present 15 months after stocking SMB, and HSB. Almost 20 months since stocking YP and RES. My GSH are doing well also.

9 yr old pond, 1 ac, 15' deep.
RES, YP, GS, FHM (no longer), HBG (going away), SMB, and HSB (only one seen in 5 yrs) Restocked HSB (2020) Have seen one of these.
I think that's about all I should put in my little pond.
Otter attack in 2023