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The American pickerels are two subspecies of Esox americanus, a species of freshwater fish in the pike family (family Esocidae) of order Esociformes: the redfin pickerel, E. americanus americanus Gmelin, 1789, and the grass pickerel, E. americanus vermiculatus Lesueur, 1846.
Both subspecies are native to North America. They are not to be confused with their aggressive counterpart the Northern pike. The redfin pickerel's range extends from the Saint Lawrence drainage in Quebec down to the Gulf Coast, from Mississippi to Florida, while the grass pickerel's range is further west, extending from the Great Lakes Basin, from Ontario to Michigan, down to the western Gulf Coast, from eastern Texas to Mississippi.
The two subspecies are very similar, but the grass pickerel lacks the redfin's distinctive orange to red fin coloration, its fins having dark leading edges and amber to dusky coloration. In addition, the light areas between the dark bands are generally wider on the grass pickerel and narrower on the redfin pickerel. These pickerels grow to a maximum overall length of 40 cm (16 in) and a maximum weight of 2.25 pounds
The redfin and grass pickerels occur primarily in sluggish, vegetated waters of pools, lakes, and swamps, and are carnivorous, feeding on smaller fish. Larger fishes, such as the striped bass (Morone saxatilis), bowfin (Amia calva), and gray weakfish (Cynoscion regalis), in turn, prey on the pickerels when they venture into larger rivers or estuaries.
These fishes reproduce by scattering spherical, sticky eggs in shallow, heavily vegetated waters. The eggs hatch in 11–15 days; the adults guard neither the eggs nor the young.
The E. americanus subspecies are not as highly prized as a game fish as their larger cousins, the northern pike and muskellunge, but they are caught by anglers. McClane's Standard Fishing Encyclopedia describes ultralight tackle as a sporty if overlooked method to catch these small but voracious pikes.
Lesueur originally classified the grass pickerel as E. vermiculatus, but it is now considered a subspecies of E. americanus.
E. americanus americanus is sometimes called the brook pickerel. There is no widely accepted English common collective name for the two E. americanus subspecies; "American pickerel" is a translation of the systematic name and the French brochet d'Amérique.
Group: Members
Posts: 5979
Member No.: 515
Joined: March 07, 2011
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 called the yellow walleye to distinguish it from the blue walleye, which is a subspecies that was once found in the southern Ontario and Quebec regions, but are now presumed extinct.[1] However, recent genetic analysis of a preserved (frozen) 'blue walleye' sample suggests that the blue and yellow walleye were simply phenotypes within the same species and do not merit separate taxonomic classification.[2]
In some parts of its range, the walleye is known as the walleyed pike, colored pike, yellow pike or pickerel (esp. in English-speaking Canada), although the fish is not related to other species of pikes which are members of the family Esocidae.[3]
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.
Walleye, Sander vitreus The common name, "walleye", comes from the fact that the fish's eyes point outward, as if looking at the walls. This externally facing orientation of the eyes gives anglers an advantage in the dark because there is a certain eyeshine given off by the eye of the walleye in the dark, similar to that of lions and other night dwelling animals. This "eyeshine" is the result of a light-gathering layer in the eyes called the tapetum lucidum, which allows the fish to see well in low-light conditions. In fact, many anglers look for walleyes at night since this is when major feeding patterns occur. The fish's eyes also allow them to see well in turbid waters (stained or rough, breaking waters), which gives them an advantage over their prey. Thus, walleye anglers will commonly look for locations where there is a good "walleye chop" (i.e., rough water). This excellent vision also allows the fish to populate the deeper regions in a lake, and they can often be found in deeper water, particularly during the warmest part of the summer.[citation needed]
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