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Created by Scott McKee Oct 31, 2018 at 1:09pm. Last updated by Scott McKee Oct 31, 2018.

Thank you, Jay!

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Not very good. I wonder what how our YOY and juvenile numbers look, and if there’s any difference in the habitats that make a difference with how gobies affect our Muskie.

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Truth is that the most recent YOY results have been poor. Also, our Catch and Release data show that in the past 5 years that the population of younger muskies have been historically low. The percentage of larger fish, however, have been at all-time highs. 

I do believe that although we might never have the population or reproduction of the 1970s to mid 1990s, that is seems that our recruitment has been sufficient to sustain the current "trophy" fishery - one with less but larger fish.

The article was posted as an discussion on LOU today. I am wondering if there is any info about how the gobies may be affecting the success of other species spawning efforts as well as in other Great Lakes fisheries.

It’s interesting as I’ve heard the concern over gobies and bass is a settled topic. They initially preyed upon young bass and raided nests, but over time it was found smallmouth were forgaging on the gobies themselves, so they reached an equilibrium. Big goby year, reduced bass pop, abundance of gobies led to fat bass, fat bass produce more, etc. they seemed to see-saw back and forth until an equilibrium, and most goby affected waters have been making names
For themselves as trophy bass fisheries. The St Lawrence stop on the bass master tour is the only location with a multiple year contract because of how good the fishery is- for bass.
My point is, the science was settled for bass- I brought up the article because of how wildly different the assumptions for musky were.
The goby population has been in the Niagara long enough I doubt If the past 5 years of spawning are even tangentially related.
I’d be more concerned about the disappearing bait and dwindling emerald shiner population.

I think stuff like this that happens over time is difficult to understand. When one thing happens and another thing counters it, there can be push back or one or more collateral occurrences. With the long growth period of muskies, maybe the effects on them from gobies will take longer to be apparent. And every fishery and species within them may or may not react the same way as another since gobies are only one piece of the puzzle.

Comparatively speaking, the puzzle of Niagara Falls I got for my sister many years ago, which was very difficult, is easy.

The studies of Dr John Farrell in the St Lawrence have proven however, that gobies eat musky eggs on their spawning grounds and I think he also said that they feed on musky frye. So it could also be an issue, among others, in the Niagara River.

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