Brown Trout

Brown Trout

Brown Trout (Salmo trutta) is a species of freshwater fish that is native to Europe and Western Asia but has been widely introduced around the world, including the United States. This species is highly valued by anglers for its game qualities and is also an important food fish in some regions.

Brown TroutSalmo trutta
Body shapeStreamlined
ScalesOverlapping scales with no scales on head or fins
FinsTwo dorsal fins, one adipose fin, pectoral, pelvic, anal fins
Mouth positionTerminal (at the end of the head)
HabitatCold freshwater streams and rivers
Feeding behaviorCarnivorous, opportunistic
DietInsects, crustaceans, fish eggs and fry
ReproductionSpawning in gravel beds in fall or winter
Size20-30 inches (50-75 cm) in length
Life spanUp to 20 years
Conservation statusLeast Concern (LC)
States(38) Alaska (AK), Arizona (AZ), California (CA), Colorado (CO), Connecticut (CT), Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Missouri (MO), Montana (MT), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), New York (NY), North Carolina (NC), North Dakota (ND), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Dakota (SD), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI), Wyoming (WY)

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