round goby

Invasive Fish May Be Making Way Up Rouge RiverAn invasive fish called the round goby appears to be making its way up the Rouge River in southeast Michigan, raising concerns among those working to improve the health of the waterway.
Underwater Cannon May Help Protect Great LakesScientists struggling to protect native Great Lakes fish from a greedy predator called the round goby are taking a page from the playbook of stores that pipe classical music through loudspeakers to chase away loitering teens.