Invasive species in Wisconsin waters threaten ecosystem

Inexperienced BAY, Wis. (WBAY) – The Wisconsin Department of Organic Means (DNR) and UW-Extension are inquiring anglers to help stop the distribute of aquatic invasive species in Wisconsin’s lakes and rivers when ice fishing this winter.

Aquatic invasive species have created their way into Wisconsin’s waterways. Continue to, anglers can cut down the transmission of these species even in the winter season by taking away any mud or plant content clinging to their equipment, together with sleds utilised to haul supplies, prior to leaving fishing spots.

Invasive species are non-native plants, animals and health conditions that induce excellent ecological, environmental or financial harm. Aquatic invasive species can crowd out native crops and animals and threaten the top quality of boating and fishing in Wisconsin waters.

Curly-leaf pondweed and Eurasian watermilfoil are two aquatic invasive species that remain hardy in the winter season beneath the ice, offering them an edge about our native aquatic vegetation. The plant-like algae starry stonewort dies back for winter, but its small, star-shaped bulbils can be existing on plants yanked up by way of the ice or in the mud that can arrive up if the base is disturbed by anglers. Illness and the larvae of invasive snails and mussels can also be current in the water and mud in winter season.

For the reason that of the feasible spread of health conditions like Viral Hemorrhagic Septicemia (VHS) that can threaten fish populations, it is crucial to only acquire minnows from a certified Wisconsin bait dealer. Up to two gallons of drinking water may well be saved for minnows delivered they will be used on the exact waterbody or if no lake or river water from the fishing web page(s) has been additional. Dead bait have to be preserved in methods that do not require freezing or refrigeration. Check out to learn additional. Obtain much more guidelines about bait at

A handful of minutes of preventative action can support protect and secure waterways for generations to occur. Just before stepping onto the ice to fish and when leaving, ice anglers should:

  • Inspect boats, trailers and ice fishing gear for attached aquatic vegetation, animals or mud
  • Eliminate all hooked up plants or animals
  • Drain all h2o from buckets and containers
  • In no way shift live fish absent from a waterbody (fish out of h2o = lifeless)
  • Dispose of undesired bait in the trash

To understand extra about invasive species and their impacts on Wisconsin’s waters and economic climate, go to the DNR’s site at

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