The Brook Trout is a freshwater fish native to eastern North America. It is known for its vibrant colors, featuring a dark green or blue back with lighter spots and a white edge on its fins. This species typically inhabits cold, clear streams and lakes, preferring well-oxygenated waters. Brook Trout can grow up to 12 to 20 inches in length, although some individuals may reach larger sizes. They are an important part of their ecosystem, serving as both predator and prey. Additionally, they are popular among anglers for their beauty and challenging catch.