Salmon, Steelhead Populations at Risk as Invasive Voracious Predator Fish Walleye Enters Idaho Waterways August 20, 2023 Salma Begum Reported sightings of the invasive voracious predator fish walleye in the waterways of Idaho puts salmon and steelhead populations at great risk. Read more here. http://dlvr.it/StvSwx Tweet Share Share Share Share