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Posted: Wed Nov 23, 2011 7:31 pm Post subject: Re: NT Billfish Log
I reckon it's around 200kg maybe a little less The girth and depth of the fish would be alot larger than a normal marlin if it was a female as apparently they are quite noticeably more heavy set than the males !! I done only a guesstimate on our marlin we got on its girth as we didnt take it and used the formula for working out marlin and it come in around 500lb
Joined: Sat May 08, 2010 7:10 pm
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Posted: Wed Nov 23, 2011 8:32 pm Post subject: Re: NT Billfish Log
1. Measure girth at thickest section and convert to inches 2. Measure length from lower jaw to middle of tail fork and convert to inches. 3. Square girth and multiply by length - Divide by 800 Example: Girth = 40" - squared = 1600 Length = 100" Multiply girth squared x length (1600 x 100 = 16000) divide by 800 for a weight of 200lbs i worked out fisg out at 106" long girth 62 inches this is an estimate so 62x 62= 3844 so 106 X 3844=407464 ~ dividied by 800=509.33lbs
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