Weighing fish by measuring them helps minimize any potential harm to the fish.
Although there is no doubt that fish can have different weights for the same length dependent on several factors – whether they are gravid, post spawning, sick or healthy, have good access to food-stocks etc., weight estimation based on a fish’s length offers a credible alternative.
Note ::To use the charts – Mouse over to highlight individual values. Click and drag to zoom. Double-click to zoom back out.