Shark Breeding Experiment
In 1981 the National Biological Foundation released two thousand radio-tagged sharks (including blue sharks, hammerheads, and a few great whites) into selected Michigan lakes in order to study the cold-water breeding habits of the sharks. In the press release announcing the experiment, the Foundation suggested that local fishermen and swimmers should exercise caution around the sharks.
Reported by the Herald-News in Roscommon, Michigan in 1981.
