Walleye
Walleye Tube Fly Fishing
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| Walleye |
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| Conservation status |
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Secure |
| Scientific classification |
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| Kingdom: | Animalia
| | Phylum: | Chordata
| | Class: | Actinopterygii
| | Order: | Perciformes
| | Family: | Percidae
| | Genus: | Sander
| | Species: | S. vitreus
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| Binomial name |
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Sander vitreus
(Mitchill, 1818) |
| Subspecies |
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- S. v. vitreus
- S. v. glaucus (critically endangered)
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Walleye (Sander vitreus, formerly Stizostedion vitreum) is a freshwater perciform fish native to most of Canada and to the northern United States. It is a North American close relative of the European pikeperch. The walleye is sometimes also called the yellow walleye to distinguish it from the Blue walleye, which is now extinct in the Great Lakes and critically endangered elsewhere.
In some parts of its range, the walleye is also mistakenly known as the colored pike, yellow pike or pickerel (esp. in English-speaking Canada), although the fish is related neither to the pikes nor to the other pickerels, both of which are members of the family Esocidae.
Genetically, walleyes show a fair amount of variation across watersheds. In general, fish within a watershed are quite similar and are genetically distinct from those of nearby watersheds. The species has been artificially propagated for over a century and has been planted on top of existing populations or introduced into waters naturally devoid of the species, sometimes reducing the overall genetic distinctiveness of population.
Physical Description of the Walleye
Walleyes are largely olive and gold in colour (hence the French common name: doré—golden). The dorsal side of a walleye is olive, grading into a golden hue on the flanks. The olive/gold pattern is broken up by five darker saddles that extend to the upper sides. The colour shades to white on the belly. The mouth of a walleye is large and is armed with many sharp teeth. The first dorsal and anal fins are spinous as is the operculum. Walleyes are distinguished from their close cousin the sauger by the white colouration on the lower lobe of the caudal fin which is absent on the sauger. In addition, the two dorsals and the caudal fin of the sauger are marked with distinctive rows of black dots which are absent from or indistinct on the same fins of walleyes
Source: Wiki
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