Water is not that clear. I don't think I ever had any clarity of greater than 2.5'.
I didn't know the fish were ever "below" the thermocline, until now.
I've got lots to learn about catching fish..

12 yr old pond, 1 ac, 15' deep.
RES, YP, GS, FHM (no longer), HBG (decreasing), SMB, and HSB (only two have been seen in 5 yrs)
I think that's about all I should put in my little pond.
Otter attack in 2023.