25x Postcard of Banana Slug (Ariolimax columbianus) North American Wildlife The banana slug received its name because of its bright yellow color and black spots, which resembles what else, buy a banana. The second largest slug in the world, it can reach a length of 25cm. it lives in the moist forest floors of the Pacific Coast from California to Alaska where it dines on its favorite food, mushrooms. Photographer- Larry Ulrich Postcard size 4 x 6