Hey Another poster that goes by 'Wood' that you've likely noticed is from Alberta as well.

Tadpoles, specifically bullfrog tadpoles have omnivorous feeding tendancies. They can display VERY carnivorous behavior when not feeding on plant matter. The problem is you really won't have much control over predators of this nature... and birds... or anything non-fish. Any control you have through a kill-off will be temporary at best.

I don't have any experience using rotenone to kill fish but would have to guess that rates for killing off tadpoles and other invertebrates might vary alot from that for killing fish. (Higher dosage for kiling non-fish inhabitants) If you found a supplier or manufacturer website it may list application rates for each purpose.

Growing some edible shrimp?

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