Fish Breeders of Idaho, Inc. v. Rangen, Inc.

DONALDSON, Chief Justice.

Appellant, Fish Breeders, is the only catfish raising facility in Idaho. Respondent, Rangen, is primarily in the feed and grain business. Though Rangen does not specialize in chemicals for treating fish, it does stock small quantities of these chemicals. The present action concerns Rangen’s sale of a fish chemical called malachite green to Fish Breeders.

Malachite green is a chemical dye used primarily as a coloring agent in the textile industry. It has been found effective in treating fungi and parasites that often plague commercially raised fish. Malachite green…