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The Isli trout or green trout (Salmo viridis) is a critically endangered [1] trout species, endemic to Lake Isli in Morocco. [2] It is a salmonid fish related to the brown trout. [3] [4] [failed verification] It was described in 2015. [5] The fish is critically endangered due to overfishing and a lack of environmental protection where it ...
The brown trout (Salmo trutta) is a species of salmonid ray-finned fish and the most widely distributed species of the genus Salmo, endemic to most of Europe, West Asia and parts of North Africa, and has been widely introduced globally as a game fish, even becoming one of the world's worst invasive species outside of its native range.
In parts of its range, it is also known as the eastern brook trout, speckled trout, brook char (or charr), squaretail, brookie, or mud trout, among others. [6] Adult coaster brook trout are capable of reaching sizes over 2 feet in length and weigh up to 6.8 kg (15 lb), whereas adult salters average between 6 and 15 inches in length and weigh ...
Historically, cutthroat trout was considered one species (Oncorhynchus clarkii).[2] [9] However, recent genetic, taxonomic, and geologic [10] evidence has determined that cutthroat trout should be divided into four species, with each (except for the coastal cutthroat) having multiple subspecies corresponding to the evolutionary lineages [11] found within major river basins.
Salmo farioides serves as a bioindicator of the quality in upland rivers where it dominates cold-water streams and is at the top of the trophic pyramid. [8] [9] It is considered as a vulnerable species based on a state-wide threat assessment as a result of climate change and increasing water temperatures in their habitats, as well as overfishing due to recreational fishing.
Salmo cettii, or the Mediterranean trout, is a species of trout, a freshwater fish in the family Salmonidae. [1] It lives in the Mediterranean region in Corsica, Sardinia, Sicily, and on the Italian mainland in the Magra drainage and further south. It is a nonmigratory fish which lives in streams and in karstic resurgences. [2]