fishloser

[tonyg]

Fascinated to see a fishfinder at work on pal's boat. Boat travels North to South, fish shown moving across screen East to West. Turn boat through 180degs and fish now travel West to East across screen. Question: do fish-finders somehow make the beasts go in a circle around the boat or are they imaginary images created by the software to keep the punters excited? I certainly am! Tony G.

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[Jools_of_Top_Cat]

Mine even numbers them, over each little fish it puts a little number on so you can track each one.

<hr width=100% size=1>Julian

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[duncan]

absolutely the latter!

disastrous to consider them fishfinders - if there are 'fish' showing but you aren't catching then it's you and if they don't show you don't try..................

I now soley use them to illustrate the features down there and fish on the assumption that fish are present.

<hr width=100% size=1>madesco madidum ..../forums/images/icons/smile.gif

 

[Rohorn]

Hi....surely wot you see is a profile of the boats progress. If the clouds of fish move from right to left on one track, if you go 180, you still see the same profile and the clouds you just saw still going right to left.
I just installed new Furuno with big screen, few days back. Fascinating. Detracts from keeping watch. Female guests aboard crowd in to have a look.
But seriously, it beats the old one shot echosounder. Wish I'd got one years ago. Would have avoided serious grounding last year.
Cheers....R

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[oldsaltoz]

G'day Tony,

I suspect your transducer is off to one side.......

Avagoodweekend.

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[Roberto]

stop chasing submarines..

-.<)



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[ubuysa]

It's a learned defensive response by the fish. In some cases evolution can take place over only a few generations, what's happened here is that the fish have learned to recognise the sounds made by fishfinders and they deliberately alter their course, speed and depth when they hear them. Thus by the time the fishing boat has turned round (as you did) the fish are already somewhere else. Interesting to watch nature in action isn't it?

Must go, there are men in white coats here to see me. /forums/images/icons/laugh.gif

Tony C.

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