Fish treatment methods that rely on dosing water
or feed for targeted pharmacotherapy, without
removing the drug from the tainted water before
discharge, are hazardous for both the environment
and public health. If pharmacotherapeutictainted
water is allowed to discharge, excess accumulation
of the drug may enter waterways, thus
exposing nontarget individuals and species to the
toxic effects of the drug. Several reports have
summarized that benzimidazoles cause or may