For the first time, researchers have found evidence the flathead catfish — which is native to the southern U.S. and known for its huge size and monstrous appetite for fish — is spawning in the Thames River in southwestern Ontario.Roberto Pittman holds a 71-pound flathead catfish plucked from the Missouri River in Nebraska. Scientists have now found evidence the 'voracious' fish are spawning in Ontario's Thames River.
Mandrak said flathead catfish can be a problem because they're big — some specimens have weighed as much as 110 pounds — and have a monstrous appetite for meat. Flathead catfish "get very large and they eat a lot of fishes, so they're likely to have a substantial negative impact if we do not do anything to control their populations," Mandrak said.CBC News contacted both the Upper Thames River Conservation Authority and Lower Thames River Conservation Authority. Both agencies said staff biologists were unavailable for an interview Thursday and Friday. But this story will be updated if comment is provided.
Mandrak said his research team found a startling number of fish in the bellies of the 11 catfish from the Thames River after they were dissected.
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