Measuring the length 1. For fish measured in half centimetre units a board 50 cm long is usually sufficient.
A Comparison Of The Bluefin Tunas Genus Thunnus From New
Fish body measurements. Florida museum of natural history gainesville fl 32611 352 392 1721 research or 352 846 2000 exhibits. K 100 w l 3 displaystyle k100 wl 3. Lay an extended tape measure on a flat surface. Proposed by fulton in 1904 it assumes that the standard weight of a fish is proportional to the cube of its length. Total length tl is the length of a fish measured from the tip of the snout to the tip of the longer lobe of the caudal fin usually measured with the lobes compressed along the midline. Position the fish so the tip of its mouth is lined up with the end of the.
It is a straight line measure not measured over the curve of the body. Try to avoid the temptation to squeeze in an extra couple of cms. From the nose of the fish to the fork of the tail not the tips of the tail straight down the lateral line of the fish. For fish measured in centimetre units a board 1 m long is usually sufficient although it may be useful to have an extension piece 30 cm long which can be clipped or hinged on if large fish regularly occur in the samples. Fultons condition factor k is another measure of an individual fishs health that uses standard weight. How to accurately measure your salmon fish weight by length girth length.
Lay the fish flat next to the tape measure. Extend the tape measure so its visibly longer than the fish youre. Start your measurement at the.
Gallery of Fish Body Measurements
