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Lake Margrethe is near Grayling in Crawford County, Michigan. Its area is 1,920 acres (780 ha). It was formerly known as Portage Lake. Fish species include: rock bass, yellow perch, bluegill, smallmouth bass, largemouth bass, northern pike, tiger muskie, and walleye. [1] [3] Portions of the Lake are within Camp Grayling. It is a favorite ...
Historically, the upper river was renowned for its outstanding Arctic grayling fishery, among the finest in the world and at the extreme southern limit of the range of this salmonid. Catches in excess of 1000 fish per weekend outing were commonly reported up until the 1880s, when extensive logging in the area ruined the streams and habitat.
The Grayling Fish Hatchery was founded in 1914 by timber baron Rasmus Hanson (1846–1927). [14] He hoped to restore the grayling to the Au Sable River system; ironically, its disappearance was caused, at least in part, by the massive habitat destruction caused by logging, which was the source of Mr. Hanson's and other lumber barons ' immense ...
Bluegill were among the species of fish tested in Michigan. Fourteen different PFAS chemicals were detected, with a range of 11,000 to 133,000 parts per trillion.
Thymallus, commonly known as graylings, is a genus of freshwater ray-finned fish and the only genus within the subfamily Thymallinae of the family Salmonidae.Although all Thymallus species can be generically called graylings, without specific qualification the term "grayling" typically refers to the type species Thymallus thymallus, the European grayling.
The Arctic grayling, a species now extinct in Michigan. There are 35 species and subspecies of threatened fish in Michigan. Of these, eight are species of special concern, nine are threatened and another nine are listed as endangered. An additional nine species that previously had populations in Michigan are now considered extinct in that state.
The scientific name of the Arctic grayling is Thymallus arcticus.It was named in 1776 by German zoologist Peter Simon Pallas from specimens collected in Russia. The name of the genus Thymallus first given to grayling (T. thymallus) described in the 1758 edition of Systema Naturae by Swedish zoologist Carl Linnaeus originates from the faint smell of the herb thyme, which emanates from the flesh.
Grayling, generically, any fish of the genus Thymallus in the family Salmonidae European grayling (Thymallus thymallus), the type species of the genus Thymallus; Arctic grayling (Thymallus arcticus) Australian grayling (Prototroctes maraena), a fish in the family Retropinnidae