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A major threat to the lake whitefish is an invasive parasite species, the sea lamprey. It is one of a number of species (in addition to the lake trout and lake herring) aggressively attacked by sea lamprey. In Lake Michigan the sea lamprey began to decimate indigenous fish populations in the 1930s and 1940s.
Goguac Lake is a 352-acre (1.42 km 2) lake in the city of Battle Creek, located in Calhoun County in the southwest portion of the U.S. state of Michigan.With a maximum depth of 66 feet (20 m), the lake is home to many fish species, including Crappie, Bluegill, Pike, Largemouth Bass, Yellow Perch, Rock Bass and Walleye.
Globus pharyngis, globus hystericus or globus sensation is the persistent but painless sensation of having a pill, food bolus, or some other sort of obstruction in the throat when there is none. Swallowing is typically performed normally, so it is not a true case of dysphagia , but it can become quite irritating.
Lake Michigan (/ ˈ m ɪ ʃ ɪ ɡ ən / ⓘ MISH-ig-ən) is one of the five Great Lakes of North America.It is the second-largest of the Great Lakes by volume [5] (1,180 cu mi; 4,900 km 3) and depth (923 ft; 281 m) after Lake Superior and the third-largest by surface area (22,405 sq mi; 58,030 km 2), after Lake Superior and Lake Huron.
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.
Hoy collected the first specimens of this species in 1870 while dredging in Lake Michigan at least 16 miles (26 km) off Racine, at depths of 50 to 70 fathoms (90–130 m). Hoy did not describe the fish himself, but had ichthyologist James W. Milner name the species. [ 12 ]
The world record was caught on Nickajack Lake in Tennessee, and weighed in at 54 lb 8 oz (24.7 kg). [12] The freshwater drum is frequently gray or silvery but may be more bronze or brown colored, common in the Lake Erie population. [13]: 4 It is a deep-bodied fish with a divided dorsal fin consisting of 10 spines and approximately 30 rays. [14]
A NOAA schematic of the hydrology of the Great Lakes depicts Lake Michigan–Huron as a single lake with three basins: Lake Michigan, Lake Huron, and Georgian Bay. [4] The connection between Lake Michigan and Lake Huron through the Straits of Mackinac is 5 miles (8 km) wide [11] and 120 feet (37 m) deep. [12]