Anyway, all I know about rotenone is that it is used as an insecticide
against certain beetles and that it is very effective in killing fish (not
just nuisance fish) in ponds. It does this by irritating the mucous
membranes causing them to overproduce, thereby coating the fish's gills and
suffocating it. If netted as soon as they come to the surface the fish can
be cleaned and eaten, or frozen for later consumption, supposedly without
harm to warm blooded species. This use of rotenone allows people to "clean
out" an overstocked pond or one with too many undesirable species. A few
weeks after the treatment, new fish can be stocked.
Any other comments?
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