We Got These Shad Comin' In

Keep in mind, humans did not introduce Shad to the Columbia River, at least not directly. They introduced it to the Sacramento River, and the shad have naturally expanded their range.
Unintended consequences. Hopefully, we'll continue to get better at assessing the potential for these before acting (that doesn't just apply to introducing non-native species).
 
Priest Rapids on the Columbia is a barrier to further shad passage because the upper fish ladder sections are submerged orifice flow: no crested weir flow. Shad (so far?) have not used submerged orifices for ladder migration, only crested weirs. I'm not suggesting Bonneville retrofit their fish ladders - just an observation.
 
It's just so frustrating these days, they do some reporting then at then end you can already hear the gears running: “It’s a fascinating case study of how a species has adapted to a novel environment,” Epifanio said. “If we can figure that out, it has broader implications to other species of fish in other settings.”
More research grants, more programs and more tinkering.
 
I don't know if it's advisable to do so or if it would be effective in reducing the population but they could easily drift net the reaches directly below the dams for a week at the peak of the season.. just be careful releasing spring chinook.
 
As much as I enjoy catching them, they do seem to be exploding in population the last couple years. I'd be interested to know their ecological impacts. Seems little is known about it.
 
They're here so might as well have some fun. Haven't fished them in a few years but what a blast when you get into them! Also seems like a good excuse to snag some content from you-know-where!

Post from June 2020:

I see the shad getting near to us, beginning to pass at McNary and Ice Harbor. We were out about 6/10-6/20 or so last year. I was wondering if anybody cared to share a report from downriver yet? I've only used a triple teaser or dick nite and weight or plug/diver before so if you have a favorite fly I'd love to see it also. Thanks again, I feel this asking for help is getting repetitive.

Not yet but I want to get some of those oily not-so-little buggers to try chunked as tuna chum. Didn't get out last year but hit it just right in 2018 and hammered them with this simple comet variant tied on a #6 nickle hook. The fibers are chartreuse Fishair with a wrapped body of pearl flashabou. Tying time about 2 minutes (if that).

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I miss my 10wt. Same rod/outfit a big roosterfish shattered last year :( .
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Before we start screaming the sky is falling..."However, less is known about how the shad boom might affect native salmon and steelhead runs, Epifanio said." And this brilliant statement: "“At a gut level, with millions of adult fish running up the river, how can they not have an impact on the ecosystem?” he said." How about a little science. Gotta love media hype.
 
On the flip side...This fall when the Shad fry were in the Snake the bass were a sucker for a pearl fluke. This year I'm going after them with a comparable streamer.
 
On the flip side...This fall when the Shad fry were in the Snake the bass were a sucker for a pearl fluke. This year I'm going after them with a comparable streamer.
I'm with you. Since we can be dirtbags... this has been my fav.
 

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Per the US Fish and Wildlife Service they had declined and are undergoing "restoration" in their native range.
"The American shad is a Federal Trust fish, meaning that the Federal government has some responsibility for its restoring them. The American shad is protected under the Anadromous Fish Conservation Act and restoration efforts are underway from Maine to Virginia. The restoration of American shad in eastern Atlantic rivers is a cooperative effort between the U.S. Fish and Wildlife Service, other Federal agencies, State fish and wildlife Agencies located within the watershed, non-governmental organizations and the fishing industry."

If "the science" shows American Shad are out of hand and negatively impacting native runs, maybe the Northwest Power and Conservation Council and PNW state agencies can bring in Jim Travers to do some mitigation with his "...Power fishin'!!" method.
His resume states: "I always know what to use!!!! If I ain't pullin' em, they ain't there!!! That's the deal!!! That's how I know so many of these waters are void of fish these days!!!!"
 
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