Aquatic Invasive Species

Species of Concern:

Take Action

It’s a team effort to prevent the spread of aquatic invasive species;
learn how you can help!

Report an Invasive Species

Early reports allow for a more rapid response.

Free Project RED Training

Learn to monitor for 21 species of concern.

Coldwater Anglers

Do you follow clean angling practices?

Statewide Snapshot Day

An annual event everyone can take part in.

Recent Blog Posts

Welcome Aboard, Rachel!

Welcome Aboard, Rachel!Jun 1, 2018 The 2018 aquatic invasive species field season is here, and with that, River Alliance welcomes Rachel Delwiche as our 2018 La Crosse Area Aquatic Invasive Species (AIS) Intern. Rachel is a senior at Winona State University, majoring...

New Zealand Mudsnails Invading Southern Wisconsin, Anglers are Likely Culprit

New Zealand Mudsnails Invading Southern Wisconsin, Anglers are Likely CulpritDec 22, 2017 | Recent Discoveries are a Call to Action Two recent discoveries of the invasive New Zealand mudsnail (Potamopyrgus antipodarum) in southern Wisconsin trout streams indicate not...

For Invasive Carp, “Build a Wall” Not Always the Answer

For Invasive Carp, “Build a Wall” Not Always the AnswerDec 19, 2017 | Shipping Canals ≠ Rivers In a December 13th Wisconsin State Journal (WSJ) “Block the Asian carp with a concrete wall” editorial, the WSJ editorial board wrongly draws a parallel between...