The fish above is a Grass Carp. It is not a predator like a bass. It only eats weeds. All types if hungry enough, but that's it.
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You have misundesrtood me. I'm familiar with grass carp (there are some in my ponds).
The main idea of my post was that if GC is the only one non-predatory fish in the pond then it shouldn't be that hard to catch. Use bait that isn't suitable for predators.

This is based on the average Pond Boss user that keeps mostly predator fish in the pond - bass, perch, catfish etc.