Topic: Siltcoos/Tahk Coho Thread (Read 11454 times)

November 23, 2021, 03:07:06 PM #90

I don’t claim to be an expert, but those that do say salmon have very small swim bladders that usually do not show strong returns on traditional fish finder tech, unlike bass. So if you’re chasing strong arches, odds are those aren’t salmon. Newer tech may vary.

November 23, 2021, 03:25:21 PM #91

Quote from: LawyerBob on November 23, 2021, 03:07:06 PM

I don’t claim to be an expert, but those that do say salmon have very small swim bladders that usually do not show strong returns on traditional fish finder tech, unlike bass. So if you’re chasing strong arches, odds are those aren’t salmon. Newer tech may vary.

All due respect, that whole "salmon don't show up well on depthfinders" thing is a myth. Going back 10+ years and across several different depthfinders, I spot em all the time when trolling the bay and mooching in the ocean. They'll give off just as strong a mark as any other fish. But I only mark them at depth: at least 15 feet down or so, rarely any shallower.

That being said, Roger's right about it being unlikely to mark them in the lakes. Coho in the lakes tend to stay in the top few feet of the water column. Only way you could mark one would be if you ran your transducer literally right over the fish. When I mark fish in the lakes, I assume they're either yellow perch or bass.

November 23, 2021, 04:41:54 PM #92

Quote from: Clayman on November 23, 2021, 03:25:21 PM

Quote from: LawyerBob on November 23, 2021, 03:07:06 PM
I don’t claim to be an expert, but those that do say salmon have very small swim bladders that usually do not show strong returns on traditional fish finder tech, unlike bass. So if you’re chasing strong arches, odds are those aren’t salmon. Newer tech may vary.
All due respect, that whole "salmon don't show up well on depthfinders" thing is a myth. Going back 10+ years and across several different depthfinders, I spot em all the time when trolling the bay and mooching in the ocean. They'll give off just as strong a mark as any other fish. But I only mark them at depth: at least 15 feet down or so, rarely any shallower.

That being said, Roger's right about it being unlikely to mark them in the lakes. Coho in the lakes tend to stay in the top few feet of the water column. Only way you could mark one would be if you ran your transducer literally right over the fish. When I mark fish in the lakes, I assume they're either yellow perch or bass.

I see them all the time, in terminal areas I've literally had them fill up 3/4 of the screen. I've also marked them on the bottom in 170ft. The issue is most people don't know how to read their fish finders. Run your fish finders at 83hz unless you're targeting bass guys, no you don't need CHIRP, DSI, Side Scan, or anything else for targeting salmon.

November 23, 2021, 05:12:23 PM #93

I have no problem seeing chinook arches just like those near the bottom on Siuslaw tidewater in 20-30' of water. It's the lake coho that stay up in the water column, or lay on the weeds, that I don't see on the sonar. I see them in the net after I catch them, just don't mark any on the sonar before that. lol

November 23, 2021, 11:24:42 PM #94

Thanks for the info guys--much appreciated.

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Topic: Siltcoos/Tahk Coho Thread (Read 11454 times)

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