👉 Knobsnout is a type of fish that is native to the waters around the Pacific Northwest region, specifically in the waters of the Olympic and Columbia River. They have distinctive, flat-shaped snouts that are often used for catching small prey like crabs, shrimp, and other aquatic creatures. This species is known for its hard, white skin and is a popular aquarium fish choice due to its high water-resistance and ability to thrive in captivity.