The Brown Trout (Salmo trutta) is a widely known freshwater game fish, originally native to Europe but now found in waters worldwide. These fish can vary greatly in color, usually displ... The Brown Trout (Salmo trutta) is a widely known freshwater game fish, originally native to Europe but now found in waters worldwide. These fish can vary greatly in color, usually displaying a golden-brown to olive green shade, speckled with black and red-orange spots. Brown Trout prefer cool, well-oxygenated streams and rivers, but they can also be found in lakes. They are carnivorous, feeding on insects, smaller fish, and crustaceans. Known for their wariness and strong fighting ability, they are a favorite among anglers.Click here to read more about Brown Trout.