The Brown TroutAh yes, the Salmo Trutta. Are these native trout to the USA? No, but they are native to Europe, and this is one of the most widely distributed and therefore most invasive trout species in the world. Habitat - Brown trout exist throughout many states in the US. They were first introduced in the 1800's but at this point have been widely distributed in many rivers throughout the country and world.Specs: 100% polyesterOne size fits all adjustable snapback100% cotton ropeOlive hat with yellow rope