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| Today I was out on the lake where I live, tossing a dawg and dragging a sucker. Had the Helix 9 Mega on the bow set with split screen, sonar/down imaging. Saw a few small schools of fish near a crib, looked like maybe crappie. But, at one point I glanced at the Helix and there was was a 3 to 4 foot thick arc across the screen and the DI showed hundreds of white dots. Glanced back at the Lowrance by the tiller and it showed something similar. What really threw me was that for a couple seconds, the depth indicator showed 6 feet rather than the almost 13 it had been showing. Is it possible for school of bait fish to be so dense it fools the sonar into thinking it is the bottom?
Shallow flowage, no cisco or anything like that. First year with the Helix but I have been on the water a lot and have seen nothing like this. |
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Posts: 32788
Location: Rhinelander, Wisconsin | I see that sometimes with really dense crappie schools. There are a lot of small crappies there these days. Only other thing that would do that is maybe a crib edge, but that should have shown better on DI. |
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| sworrall - 11/9/2021 4:53 PM
I see that sometimes with really dense crappie schools. There are a lot of small crappies there these days.
Interesting. It was in an area where I fish for crappie through the ice. Since the DNR put the 10 crappie limit on five years ago, seems more fish on both ends of the size spectrum. |
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Posts: 2275
Location: Chisholm, MN | Absolutely. Happens a lot. |
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Posts: 156
Location: Alexandria, MN | I've seen ciscoes do it quite often in the fall when they stage up to spawn. |
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Posts: 20179
Location: oswego, il | I've seen baitfish and spiny water fleas so thick that the sonar marks it as bottom. |
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Posts: 359
Location: SW Ohio | Took a pic of my front graph a couple weeks ago. Surprised to see two side by side chasing food. This is off my SI but I turned it sideways.
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