There are commercial packing plants in the area, whose sole purpose is to send these carp to market. Commercial Fishermen are netting them & taking them to these plants.
Also, believe me ... the KDFWR biologists are hard at work trying to come up with eradication plans for these intruders, but will have to take into account any negative effects that might occur to the rest of the fish population from any of those plans.

... pappy