perhaps I am not understanding, do we know the carp are established in the streams mentioned in previous posts. if so even poison will have a limited chance of success in flowing water. the key to my introduction of predators is the fact they are sterile. If as an example the red can sustain 1 ton of fish per kilometer eventually the carp will become a higher percentage over time of that ton, if we introduced 5 tons of predators. the food source becomes the carp. this is how the carp take over a system, by out breeding and out competing natives for available food sources mean while ravaging native spawning, habitat,eggs,ect. use what we know the carp do to the natives to the carp them selves.it may not eradicate the carp but life sure will be difficult.
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