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The big one looks like what we call Talabia. I am not sure what the small ones are. They resemble a shiner. Thanks for the picture, now I have a visual of what you caught. Tilapia are my youngest son's favorite fish to eat.

Here we don't call it Tilapia. Tilapia is a different one:

After seeing both pictures, this is what we call a tilapia, not the other fish.