Walleye fish populations are in decline. Walleye, an iconic native fish species in Wisconsin, the upper Midwest and Canada, are in decline in northern Wisconsin lakes, according to a new study. It now takes 1.5 times longer to produce the same amount of walleye as it did in 1990. Source 8q
Image from Wikimedia public domain by Timothy Knepp - Source 7q, Public Domain, Source 8e
Walleye (Hover)