PFF and Tilapia folks,
Made another try today with better results but the water is just too warm and the predators are tooo active for good Tilapia catching.
Typical Tilapia:

Typical predators:

and way too many of these guys...three 10 pounders today...

James Holt, if you see this post, thanks for the suggestion on the electric fillet knife...it works wonders on Tilapia.