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Joined: Jul 2014
Posts: 186 Likes: 3
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OP
Joined: Jul 2014
Posts: 186 Likes: 3 |
The Exploding Smallmouth fishery's across the United States are almost exclusively in lakes with zebra mussels. Has anyone ever thought that maybe the zebra mussels are doing more then just filtering the water?
I know in Lake Oneida zebra mussels have been found in the stomachs of smallmouth bass, perhaps they are providing a food source for juvenile smallmouth? Perhaps all those mussels provide better habitat for the smallmouth fry to escape predation, I think it's something more than simply clearing the water.
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Joined: Oct 2018
Posts: 2,247 Likes: 548
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Joined: Oct 2018
Posts: 2,247 Likes: 548 |
We find Zebra mussels in nearly every species we do stomach analysis on. CC, Carp, even WAE.
Anything is possible but water clarity also allows more predation on younger SMB. It makes all sight feeders more effective at "seeing" their prey, but also works in the opposite direction as well.
Diving ducks utilize Zebras as well but the reproductive rate is uncontrollable.
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Joined: May 2014
Posts: 3,864 Likes: 298
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Joined: May 2014
Posts: 3,864 Likes: 298 |
Milder winters probably play a role, too. Most climate warming happens in wintertime.
7ac 2015 CNBG RES FHM 2016 TP FLMB 2017 NLMB GSH L 2018 TP & 70 HSB PK 2019 TP RBT 2020 TFS TP 25 HSB 250 F1,L,RBT -206 2021 TFS TP GSH L,-312 2022 GSH TP CR TFS RBT -234, 2023 BG TP TFS NLMB, -160
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Joined: Jul 2014
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OP
Joined: Jul 2014
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Apparently crawfish love zebra mussels so there could be an indirect relationship there as well, something is happening besides clearer water.
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Joined: Sep 2014
Posts: 3,668 Likes: 57
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Joined: Sep 2014
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Isn't it Arizona where the RES grow to 4 lbs because of the Zebra Mussels?
Do not judge me by the politicians in my City, State or Federal Government.
Tracy
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Joined: Oct 2018
Posts: 1,137 Likes: 276
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Joined: Oct 2018
Posts: 1,137 Likes: 276 |
Quagga muscles in Lake Havasu
https://www.bassmaster.com/blogs/2015-elite-series-lake-havasu-live-blog/lake-havasus-world-record-redear-monster#:~:text=The%20world%20record%20redear%20sunfish,a%20girth%20of%2019.5%20inches.
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Joined: May 2012
Posts: 1,358 Likes: 4
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Joined: May 2012
Posts: 1,358 Likes: 4 |
The Exploding Smallmouth fishery's across the United States are almost exclusively in lakes with zebra mussels. Has anyone ever thought that maybe the zebra mussels are doing more then just filtering the water?
I know in Lake Oneida zebra mussels have been found in the stomachs of smallmouth bass, perhaps they are providing a food source for juvenile smallmouth? Perhaps all those mussels provide better habitat for the smallmouth fry to escape predation, I think it's something more than simply clearing the water. There are some studies of the effects on predator populations. Here is a large one from Canada. Result: it depends. Sometimes one predator species benefits, sometimes others lose, sometimes all predators lose. https://www.reabic.net/journals/mbi/2014/3/MBI_2014_Nienhuis_etal.pdfSome highlights: Condition and growth of game fish
Walleye
[Individual walleye] in lakes with zebra mussels were consistently smaller ... compared to individuals from lakes without zebra mussels.
Smallmouth bass
[Smallmouth bass] are in better condition as larger individuals in lakes where zebra mussel are present. However, growth rates of smallmouth bass were greater in lakes where zebra mussel were not detected.
Lake trout
[Lake trout] enter the population at smaller sizes, lake trout exhibit faster growth rates, achieving larger sizes at older ages in uninvaded lakes.
Northern pike
[In lakes without zebra mussel] individuals enter the population at smaller sizes, but grow faster and achieve larger sizes at ages than in lakes with zebra mussel.
Last edited by Bocomo; 07/08/20 01:09 PM.
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