Here is the solution:
Copper Sulphate and Rotenone as Fish Poisons
http://afsjournals.org/doi/abs/10.1577/1548-8659%281939%2969%5B141:CSARAF%5D2.0.CO%3B2
Guaranteed to kill all the little fishy bastards.....
They go good with football and basketball.
I plan on doing my part of eliminating these little critters later today.