Fly line color... do you think fish care?

My reliance upon barometric pressure changes and moon phase have very dependably met my need to determine cause of skunking...and I see no need to add flyline color to the mix.

I am quite satisfied to be 'out and about'....and have caught several fish over the years.
 
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I don’t think it does. All the other factors (water spray off a line over top of a fish, seeing the line moving while casting, etc) are more detrimental than color.
 
Never been there but ...the guides in New Zealand poop kiwis if your line is brightly colored.
 
Beauty is in the eye of the doughball holding the rod, something a crotchety old guide once told me. The old SA lines were white, Cortand were pink, my first intermediate was light blue, sinkers were brown, lead core gray, etc. etc. Don't even get me started on silk lines... or sylk. Now it's multicolor lines where the tip, body, and running line are different colors. As long as I don't line the fish I'm after I don't give a pfff, 'cause if I've lined the fish I've screwed the pooch anyway. The critical thing is the color of the hook...
 
Fish only care when there is a loop at the end of the fly line.

At both ends?……….or all the way back at the point of origin?
Inquiring minds……🤔
 
I actually turned this trout boss line around last winter as I liked seeing the line better when running an indicator rig in the river. If anything I caught more fish. Lake fish don't seem to care either.
 

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ill go stealth on a 3wt since its generally for smaller water. i have a lot less need to be able to see my line for mending on a 20 foot wide creek then a 200 foot wide river. i also find fish are far easier to spook in small water then big water. kelly galloup mentioned earlier in a video that he doesnt think it matters, and that seeing the line for the control and presentation outweighs spooking the fish.
 
Not sure, but I wouldn’t fish a bright neon line, especially a sinker. I have a barely used camo Rio floater somewhere, that was so good it was bad. Meaning it blended into the forest so well that I couldn’t see it, and it really threw me off judging distance. It was disturbing so I went back to something I could see. I keep in mind that generally the sky is the background for floaters and intermediates. Subsurface lines should probably be brownish/camo or clear.
Do the fish care? Dunno.
 
I used to think it did and would only fish lines with clear heads off the beaches.
They discontinued my favorite line and replaced it with the most ugly line colors possible. Bright orange running line with a rather weird colored green head. I bought one and fished it. I didn’t notice any difference in the catch rate so I just fish now whatever lines I like regardless of the color.
SF
 
In fishing for oceanside tarpon in crystal clear water I found a line with a clear intermediate tip was much less likely to cause a school of fish to blow up than any other line.
 
A few years ago I started fly fishing on Pass Lake ( I'm still a novice). I was skeptical about the color of the line. I mostly use a sink line, and given the option, I prefer to use the dark, neutral colors. I see no advantage (in this situation) to having a bright color. IMHO "confidence" is an often overlooked aspect of sport fishing. I am more "confident" with a dark color. That being said, after viewing this thread I will have more confidence in that bright as hell floating line I have been using for gurglers on this lake. For decades I pondered and discussed the visibility of monofilament. Many experts believe that a green tinted line is far superior to clear and that blue colored mono is a gimmick. And then there is the flouro vs mono debate, that can get quite heated on tuna charters. I would have no confidence using a clear mono in San Diego bay. That alone would keep me from using it...............I believe that flouro makes for a more invisible leader at Pass Lake, whether or not that is true, I do not know (I'm not the fish that is looking at it)...but the reality is...that confidence.. makes me a more effective fisherman.
 
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After reading my above post, I probably should apologize for derailing the discussion. But, the fish's ability to see a fishing line is something that I have pondered from the age of six.
 
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