Topwater Caranx Ignobilis: Giant Trevally (GT) > Tackle & Techniques

Weighing fish

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Charles Cintron:
Bathroom scale it is, hold the fish and have a buddy balance me lol.

Here is a formula found in Fishing Hawaii Style written by Jim Rizzuto. 100lbs is our big boy mark here in Hawaii.

Length                                  Girth                         Weight
52.5 inches                           43inches                    100.5 pounds
53                                         44                              107.5
56                                         42                              114.5

If length plus girth =96inches then weight = 100lbs or I guess 45kg

you guys can do the metric conversion :)

The disclaimer is without a scale you can't really prove it is 100lbs, of course.

Mark Harris:
Guys, just heard that the No Boundaries boat in Southern Oman now has a sling scale on board.  Will be very interested to see this in action when I am next there.

A recent fish weighed on the new scale:

Just short of 50 kgs:

Andy Rowe:
Mark, the guy in the photo is a dwarf right?  ;)

Another beautiful specimen.

Mark Harris:
I chose that photo deliberately Andy as I too thought it "looked" 10 kgs short of that weight. You are the first person who bit :) .

So is the scale wrong and we are all top notch guessers, or vice versa?

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