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Old 03-01-2004, 06:19 PM   #1
FishnRod
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Default Estimated weight formula for native steelhead

Does anyone know a formula to estimate the weight of a native steelhead that has to be released?
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Old 03-01-2004, 06:59 PM   #2
Gizmo Man
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Default Re: Estimated weight formula for native steelhead

Welcome to Ifish and the ff section.

Click here for a place to have your fish calculated:

http://www.steelheader.net/Toppages/...calculator.htm


Giz...
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Old 03-02-2004, 10:01 AM   #3
where's your bobber dude
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Default Re: Estimated weight formula for native steelhead

The formula I use is the Skeena formulw which is length times girth squared, divided by 775. (L x (G^2)) divided by 775.

There is a formula that came from the Dean river studies which is length times girth squared multiplied by .00133. That formula comes out a little big, but the Dean fish are larger than most.

I have alot of data on length and girth to weight ratios and the skeena formula seems to be the most accurate. I have charted out alot of th data from known fish measurements and weights, such as state records. I did this so I could know exactly how big a fish is when I measure and release it. I recently released a native that was 39 x 20 and new it was just over 20 pounds as soon as I took the measurements. If you have any questions beyond the formula I can help.

[ 03-02-2004, 11:03 AM: Message edited by: where's your bobber dude ]
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Old 03-02-2004, 07:15 PM   #4
PittsburghD
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Default Re: Estimated weight formula for native steelhead

Grab fish tail in between your left thumb and four fingers and belly between your right thumb and four fingers. Add sunglasses for protection from your smile. Smile. Pray thanksgiving. Let fish go.

= 12 pounds.


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Old 03-04-2004, 05:40 PM   #5
Grantspastor
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Default Re: Estimated weight formula for native steelhead

Best guess plus ten pounds more for the adipose fin
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