Blog
Notes from the boat
- How to
How to estimate a fish’s weight from its length
Why length predicts weight, the species formula and the girth formula, how to measure length and girth properly, and how close an estimate really gets.
·4 min read - Photo tips
How to take a fish photo that measures well
Eight habits for a fish photo fishline can measure accurately: whole fish in frame, side-on, arms in, something of known size, the right lens and good light.
·4 min read - Charts
Largemouth bass length to weight chart
What a largemouth bass weighs at every length from 8 to 26 inches, why girth matters, rough age at length, and how to measure a bass right. A 20 inch bass is about 5.1 lb.
·4 min read - Charts
Walleye length to weight chart
What a walleye weighs at every length from 10 to 32 inches, why fall and prespawn females run heavy, rough age at length, and how to measure one. A 20 inch walleye is about 2.9 lb.
·4 min read - Fish care
Catch, photo, release: handling fish for a quick photo
How to get the picture and get the fish back in good shape: be ready before you land it, wet hands, support the body, count the seconds and release it right.
·4 min read
Or skip the tape. Snap a photo and fishline measures it.
Species, length and weight from one photo. 5 free measurements every month.