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Asian Carp speared in Wind Lake

8/21/19 @ 5:42 AM
ORIGNAL POST
SnakeSter
SnakeSter
MEMBER since 7/9/12

Only a matter of time I guess. The funny thing is it’s illegal to possess an Asian Carp in Wisconsin? What? DNR did autopsy and said the fish was sterile so not worried about spawned Asain Carp. Where this is one, there is others would be my guess. 

Why would it be illegal to possess an invasive species? 

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8/29/19 @ 6:29 PM
nihsif
nihsif
MEMBER since 6/15/01

t_campy, thanks for adding in all that pertinent information, identifying the various species and their eating habits was good stuff, I didn't know there were 2 species of filter feeders... thank you

8/29/19 @ 4:51 PM
SnakeSter
SnakeSter
MEMBER since 7/9/12

Ditto’s on what Carpio said! Thanks for the info!!! And well spoken at that!!

8/29/19 @ 3:52 PM
Carpio
MEMBER since 11/5/17

Campy.   Excellent info!     CARPIO 

8/29/19 @ 3:41 PM
t_campy
User since 5/4/16

Hey everyone. I'm a little late to the game here. I'm an invasive species specialist for UW Sea Grant and Extension that lurks on the forms with the intent of going fishing someday....and then I don't haha. Anyway, I might be able to clear a few things up.

As someone previously stated, grass carp are part of the four species of "Asian Carp" that include silver, bighead, grass and black carp. They all eat a lot and get really big, but they all eat different things. Silver and bighead carp are filter feeders and eat plankton, grass carp eat aquatic plants, and black carp east mollusks (snails/mussels). Regardless, of what they eat, they all have the ability to negatively impact food webs.

Silver (the jumpers) and bighead carp are the ones you often see on the news, and are the ones we are concerned about swimming through the Chicago Area Waterway System into Lake Michigan. Grass carp have been found reproducing in the Maumee River, a tributary of Lake Erie.

One reason grass carp were brought to the US was for biological control of plants - again, they eat a lot. However, due to their potential impacts, most states have made it so only sterile grass carp can be used or (like Wisconsin) have outlawed their use completely. Since the Wind Lake fish was sterile, it was almost certainly purchased from a producer somewhere and either intentionally released or it escaped another setting. There are likely places not too far away and outside of Wisconsin for someone to legally purchase grass carp.

Regarding possessing an invasive species - again, someone mentioned this, but a key factor is whether the specimen is alive or dead. Something ceases to become invasive once it's dead. In some cases, like for fish, that is easier to assess. In other cases, like plants and mussels, it's tougher since mussels can survive days out of water and small fragments of plants can start new populations. There are exemptions for disposal and for transport for identification.

Hope some of that helps!

8/26/19 @ 6:36 AM
nihsif
nihsif
MEMBER since 6/15/01

from the article posted by bluegrouse

"Upon confirmation of the catch, the fish was transferred to the DNR and the Fish and Wildlife Service for genetic testing. Results show that the fish is a sterile triploid fish, indicating that it was likely an intentionally released fish or a purchased fish that escaped from a pond. "

there's more info in the article https://fox6now.com/2019/08/20/wisconsin-dnr-fisherman-catches-grass-carp-prohibited-fish-species-in-wind-lake/

8/26/19 @ 6:11 AM
SnakeSter
SnakeSter
MEMBER since 7/9/12

So does everybody think it was planted? How did it get in? 

8/25/19 @ 6:16 PM
Plmlk
Brent Hess
MEMBER since 12/18/07

There used to be 3 dams Carpio, after Wilmot there is still two, not sure what removing 1 of the 3 would do...

Also, 200 years ago there were no dams. The Waterford Dam was built around 1850 I believe, before that fish had free run of the river. 

Drum have always been present in the Fox River, they are native. 

That said, they can grow in presence with changes in the waterway.  

For instance, have you noticed that the increase in Drum was around the same time the Zebra Mussels showed up. It’s a good food source for them.  

They’ve always been there...

The Woodlands Resort
(262) 661-3968
8/25/19 @ 8:26 AM
Carpio
MEMBER since 11/5/17

R&j.   I don’t believe that it’s a stretch at all. There were no sheepshead in Tichigan until about 20 years ago, Shad either.Imo they arrived after the dam at Wilmot was taken out.They must have migrated from the Chain Of Lakes in Illinois.

8/24/19 @ 8:15 PM
r&j
User since 7/30/07

They may be in your minnow bucket.

The thought of coming upstream from the Fox Chain in Illinois is a bit of a stretch, but possible.

We don' always know what waters the trappers are netting.

8/24/19 @ 1:32 PM
Plmlk
Brent Hess
MEMBER since 12/18/07

The Wind Lake Dam feeds into the Fox River, via the Wind Lake Drainage Canal.  

The canal enters the Fox River after the Waterford Dam, but before the Rochester Dam - basically right between the two. 

The Woodlands Resort
(262) 661-3968
DISPLAYING 1 TO 10 OF 17 POSTS
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