The Shortnose Cisco was once abundant on the Great Lakes, but overfishing and invasive species such as sea lamprey, zebra and quagga mussels, alewives and round gobies dwindled the fish's numbers ...
The Shortnose Cisco was once abundant on the Great Lakes, but overfishing and invasive species such as sea lamprey, zebra and quagga mussels, alewives and round gobies dwindled the fish's numbers ...