[header] How to measure fish [title] Lay an extended tape measure on a flat surface. [step] Extend the tape measure so it's visibly longer than the fish you're measuring. Whenever you're measuring the length of a fish, you want to lay a tape measure flat as opposed to running it over the top of the fish.
[header] How to measure fish [title] Lay an extended tape measure on a flat surface. [step] Extend the tape measure so it's visibly longer than the fish you're measuring. Whenever you're measuring the length of a fish, you want to lay a tape measure flat as opposed to running it over the top of the fish.
Making it even will help you to keep track of the length. If you're having trouble finding it, don't worry; you'll already have it. This is so you can monitor the circumference of the fish without taking off the tape measure. [substeps] A 24-inch (61-cm) length with an extended tape measure will be about 2 " x 6 ". [title] Measure from the top of the fish's head to the bottom of their mouth. [step] This is the longest part of the fish's mouth. Going over the top of the fish with the tape measure can distort the measurement. [title] Lay the fish flat next to the tape measure.