Byron,
> We are currently trying to use the R2 Fish School with zebrafish, but
> are having no luck isolating the fish for training. If you have any
> suggestions, they would be much appreciated!
By "isolating the fish for training" do you mean rewarding one of your zebrafish individually? If so, I'm afraid your only choice is probably physical isolation during training, as the R2 kit recommends. Can't you put one (or two) of your fish in a tank by themselves?
--Dean
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Dean Pomerleau
Founder & Chief Fish Trainer
Fish School, Inc