17 Facts About Brook trout

Brook trout is a species of freshwater fish in the char genus Salvelinus of the salmon family Salmonidae.

The brook trout is the state fish of nine U S states: Michigan, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Vermont, Virginia, and West Virginia, and the Provincial Fish of Nova Scotia in Canada.

Brook trout was first scientifically described as Salmo fontinalis by the naturalist Samuel Latham Mitchill in 1814.

Tiger trout is an intergeneric hybrid between the brook trout and the Eurasian brown trout .

Tiger Brook trout rarely occur naturally but are sometimes artificially propagated.

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Brook trout has a dark green to brown color, with a distinctive marbled pattern of lighter shades across the flanks and back and extending at least to the dorsal fin, and often to the tail.

Brook trout can reach at least seven years of age, with reports of 15-year-old specimens observed in California habitats to which the species has been introduced.

Brook trout are native to a wide area of Eastern North America, but are increasingly confined to higher elevations southward in the Appalachian Mountains to northern Georgia and northwest South Carolina, Canada from the Hudson Bay basin east, the Great Lakes–Saint Lawrence system, the Canadian maritime provinces, and the upper Mississippi River drainage as far west as eastern Iowa.

Brook trout have a diverse diet that includes larval, pupal, and adult forms of aquatic insects, and adult forms of terrestrial insects that fall into the water, crustaceans, frogs and other amphibians, molluscs, smaller fish, invertebrates, and even small aquatic mammals such as voles and sometimes other young brook trout.

Brook trout is a popular game fish with anglers, particularly fly fishermen.

Current world angling record brook trout was caught by Dr W J Cook on the Nipigon River, Ontario, in July 1915.

Brook trout are commercially raised in large numbers for food production, being sold for human consumption in both fresh and smoked forms.

Brook trout are raised commercially and sold to angling organizations or groups to stock their lakes or ponds.

Brook trout raised commercially are often kept in large circular tanks with a constant water flow going through them.

Brook trout populations depend on cold, clear, well-oxygenated water of high purity.

Many lacustrine populations of brook trout have been extirpated by the introduction of other species, particularly percids, but sometimes other spiny-rayed fishes.

Non-native brook trout populations have been subject to eradication programs in efforts to preserve native species.