Tilapia - is there an algae problem? i.e. how is the food base for the tilapia?

Is there habitat for the crawfish? What is the bottom substrate like? What's the max depth of the lake?

I am assuming no aeration?


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).