*** Use the comments section below to weigh in with your thoughts. ***

This is a topic that many of us may have never really thought of. And it seems to have quite a bit of debate among anglers. 

Most of us are familiar with how sonar works, but here's a quick refresher. 

Sonar uses sound waves as a source of information to be displayed on the screen. This sound wave is sent through the water from your transducer and objects bounce (or reflect) that sound back to the transducer. The amount of time (or distance) that the wave travels will indicated where objects (fish and bottom) are.  

So the question is this. Does the sound that is produced negatively affect your fishing?  Do you think it spooks certain fish? Or do you think it matters if the water is more shallow and the beam is more concentrated and louder?

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Comment by Ames on January 17, 2012 at 10:07am

Not having much experience/information on this matter. In my own opinion I think the fish are aware but maybe not as spooked as many think.  I also think that it depends on conditions (if the area you are fishing has a high traffic area, etc.)

Comment by Jacob on January 3, 2012 at 7:42am

I think we can all agree sound affect fish. I was fishing and dicited to take a swim, I could actually hear my sonar and I am not talking about faitly it is actually pretty loud. As for if sonar affects fish I think situation dictates. I think that if a fish has never heard sonar then he may not be affected by it. But now lets take a fish that has been caught before by somone using sonar. I think that fish will remember that. I fish the pressured waters in Southern California. Some of these fish have been caught multiple times in their life and they get smart. If the bite is tough I turn off the sonar and I think it helps. I notice I have caught more big fish with my sonar turned off or on a very long cast where I belive the fish cannot hear the pings. If I have fish located it gets turned off. This is just my 2 cents.

Comment by Gary Oneal on December 31, 2011 at 10:44am

I tend to think the same thing - doesn't affect 'em. I've never had problems catching fish with mine on. 

That being said, I guess you don't know what you don't know. Maybe I have missed fish because it's been on. But I think I've caught more fish because of it than I've missed because of the POSSIBILITY of spooking. 

Comment by Gord Wallace on December 31, 2011 at 10:41am

Personally I think its a bunch of bull. I've been using my fish finder for years and years and see fish on the screen and catch 'em. I think someone came up with this theory and it started spreading. I'd have to see some scientific proof before I started believing it, because my "on the water experience" tells me this is a crock. 

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