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Invasive goby will face cannon fire this summer

1
  • by Audrey Rabalais
  • — April 4, 2012

To deter invasive round gobies from areas in Lake Michigan, scientists have resorted to firing a cannon underwater this summer. The gobies have been eating half of the herring, whitefish and trout eggs laid in Grand Traverse Bay on the east side of the lake. The cannon will shoot water to scare away any fish in the area, hopefully sending the gobies away from the bay.

If the first cannon shot is successful, they will fire again in the fall before large fish begin to spawn. The cannon effects are short-term, as the water will settle when the sound waves calm.

Read more at GoErie.com

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1 Comment

  1. Invasive Species | Detroit Performs says:
    July 28, 2015 at 4:20 PM

    […] The image above depicts a round goby, happily resting on some of Michigan’s Petoskey stones. Native to central Eurasia, the fish is now found in the Great Lakes where it eats the eggs of herring, white fish and trout, among other things. The info and image comes from Lake Scientist. […]

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