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No records were found to verify this during the study.īetween 20 the study found that there were 10 fish stockings not approved by the state. It could have been an undocumented state stocking of fish or a private undocumented stocking, the study said. The study found that fish stocking in the late 1800s could be responsible for first introducing the fish into Great Lakes waters. For example, only one flathead catfish was recorded in 1953 in Wolf Lake, Wisconsin, the study said. Some of the data showed only a few fish in certain locations. “There was a time frame where there was just no information,” Fuller said.
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It found when, where and how many flathead catfish came to the Great Lakes region. The study examined Michigan surveys, reports and stocking efforts, along with historical and recent literature, Fuller said.
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The flathead catfish is native to Mississippi, Missouri, Ohio, Tennessee, Arkansas and Rio Grande river drainages. The first discovery in the Great Lakes region was in the Kalamazoo and Grand rivers, which drain into Lake Michigan. It is most likely to be seen at night when it si looking for prey.įlathead catfish began making their way into Great Lake basins in the 1920s, the study found. The results of her look at the invasion of flathead catfish into the Great Lakes were reported recently in the Journal of Great Lakes Research.Ī flathead catfish is a brown and yellow fish that can weigh more than 50 pounds, according to the Department of Natural Resources. Her flathead catfish research brought her to examine the Great Lakes region. “I decided to delve in more to figure out what was going on,” said Fuller, who manages a data base of over a thousand species worldwide, including fish, crustacean, mollusks and plants. Geological Survey in Gainesville, Florida. “As I was putting together information about its (the flathead catfish) distribution I noticed some strange things happening up in the Great Lakes,” said Pam Fuller, a researcher with the U.S. Information about flathead catfish missing from historical Great Lakes databases has aquatic organism researchers curious about when the fish emerged in this region.
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Spartan Newsroom - News and information from student journalists at the Michigan State University School of Journalism
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