A type of carp frequently found in ornamental ponds, Japanese koi, are an invasive nuisance when released to certain ecosystems according to biologists because they live long, reproduce readily, survive harsh winters, and have a huge appetite.

How Japanese Koi Entered a Michigan Lake

The truth is that Glen Lake in Michigan is far from the only lake, river, or stream filled with Japanese koi. Nobody knows exactly how this record-sized koi wound up in the lake but speculation is that like most, it was dumped in the lake by an owner who did not want to kill it.

If you see a bright orange fish around the midwest you can be certain it doesn't belong there.

About six years ago, the Glen Lake Association started getting calls about strange fish in the water.

They were orange and Michigan fish aren't that color.

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Since then, those calls greatly increased to the point where the association had to bring in bowhunters.

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In May and June, a bowfishing team from Thundering Aspens Sportsman Club in Mesick removed four large koi, including a 32-inch, 24.5-pound pre-spawn female. According to the association, this catch set a world record for the largest Japanese koi harvested with a bow.

That catch is significant because one of the pre-spawn females was carrying an estimated 250,000 eggs.

For more details and photos, visit mlive.com.

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