By Koaw 2023,
Examining just 4 meristic (countable) features can identify the vast majority of specimens of Esox here in North America. The tiger muskellunge is the only hybrid specifically accounted for in the calculations. This meristics key will suggest the best fit for your fish based on expected ranges of features. Try it out!
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Click on a species below to learn more.
*Though very uncommon, muskellunge have been shown to express a cheek with scaling up to 80% coverage. Likewise, the northern pike may rarely show a cheek with less than 75% scalation. The calculator will not predict correctly under these rare circumstances.
-Some combinations of features will purposefully calculate outside the expected range to include the certain outliers. Some will not, such as chain pickerel that might show 12-13 branchiostegal rays.
- Find an error/bug? Keep in mind that some browsers just cannot process this calculator. For apparent bugs/errors in the results of this calculator, please send me a brief message on the contact me form so that I can check that out. Thanks!