Sometimes you don't want to know what is down there

Post any Random Screen Captures Here
StrikeBack
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Post by StrikeBack » Wed Jan 14, 2009 9:07 pm

Check out this Bull Shark in fresh water.

One can clearly see the pectoral, dorsal and tail fins. Initially I interpreted the bent tail of the shadow as the shark fining. Now I understand that shadows of tail fins of sharks are always displayed bent away from the center of the screen. This is because the tail of sharks are usually higher than the rest of the body and so the shadow of the tail is shown further away from the shadow of the body and so the tail appears bent. I have seen this many times in shark SI shadows. Notice the primary image is straight and tail not bent.


Image
John

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grimpuppy
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Post by grimpuppy » Thu Jan 15, 2009 10:51 am

Depth of 1.7 meters. It is amazing how shallow of water sharks swim around in. Nice picture.
Jay Smith

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Stingrays

Post by StrikeBack » Sat Feb 07, 2009 2:33 am

Check out these stingrays on the bottom in freshwater.

Image
John

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Post by StrikeBack » Mon Mar 02, 2009 12:23 am

This shot of a stingray show how good HB side sonar imaging is.
Image
John

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Post by StrikeBack » Thu Mar 19, 2009 9:22 pm

There has been further discussion on the yahoo site regarding stationary boats and moving fish with SI

This first image is of an Australian barramundi moving fast through the SI beam. We know the fish is traveling fast because the fish image is squat and obviously not in normal proportion.


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Here is another shot with stationary boat and moving fish, same species. This time the fish is not speeding through and its image is in proportion.

These images also show how important chart speed can be to obtain proportionally correct images.


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Last edited by StrikeBack on Sun Mar 22, 2009 12:54 am, edited 1 time in total.
John

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Post by StrikeBack » Sun Mar 22, 2009 12:52 am

I have had a couple of questions on how big these fish are in the last photos. This one give you an idea.


Image
John

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reso
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Post by reso » Sun Mar 22, 2009 6:27 am

Wow, wish we had these fish in Europe..impressive stuff!

reso

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Post by StrikeBack » Sun Mar 22, 2009 6:36 am

Hi Reso,

This is an average one. My wife has our best, 1.06 metre, but the best one caught on lure recently in Australia was 1.5 metre. Cheep flights to Australia for a fun fishing trip?
John

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reso
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Post by reso » Sun Mar 22, 2009 3:49 pm

Hi John,
Very tempting indeed, visited your beatiful continent 10 years ago and was very impressed.
Ah well, I have a passion for salmon and sea trout and do most of my fishing in scandinavia both fresh and saltwater, that is not too bad either. Friend of mine lived 1 year in Perth and still wants to go back.
Cheap flights are ok, but just to find the time is the problem, don't wanna go for a weekend!
regards
reso

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Post by StrikeBack » Mon Mar 23, 2009 2:27 am

Reso,

I live 300 km South of Perth.

There is wonderful fishing all over the World. Too many fish and not enough time.
John

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reso
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Post by reso » Mon Mar 23, 2009 3:51 am

very true indeed. well there should always be something to wish for in life.
In 2 weeks I go off on a sea trout trip on the sout coast of Sweden, I'll take the 997 out for 2 weeks, so I'll be posting around here a lot in a couple of weeks. Specimen of 5+ kgs have been caught..
reso

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Post by StrikeBack » Tue Mar 24, 2009 8:41 am

Reso,

My wife and I are also off for two weeks fishing on the barra so I too will take lots of snapshots and if anything very special I will also post here.
John

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Post by StrikeBack » Fri Apr 03, 2009 8:33 am

One week and off to hunt 1 metre barra and hopefully more great snapshots
John

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reso
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Post by reso » Fri Apr 03, 2009 1:36 pm

I'm off tonight for 2 weeks, hope to post some nice fish and SI recordings. Tight lines!
reso

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Post by StrikeBack » Mon Apr 27, 2009 8:51 am

Just returned from fishing trip.

Check out this school of bull sharks which homed in on a 93 cm barramundi we just boated.


Image
John

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