Weight calculator, based on the length of the fish. You only need to select the species of fish and mark its length in an easy way. Resulting in an average weight and two other thresholds above and below according to the species and its possible thicknesses. You will also be able to see a brief part of information about that particular fish and some interesting data. Species / Family · Black Bass · Esox · Grayling · Hucho · Peacock · Salmon · Trout It is kept updated with the most approximate values and calculations and with the largest number of known fish species. · NOTE : If you have any suggestions or questions, send us an email from this page. · PROBLEMS : If you have problems with the application, please contact the email from this page, and try to solve them!!