Lose the Hitchhikers, Or Lose Your Lake (Part 9) Preventing the arrival or spread aquatic nuisance species is as important as preventing habitat destruction. Native or desirable fish and wildlife populations cannot thrive without sufficient habitat, nor can they thrive with competition from invaders. Think of it this way. Every common carp in our lakes and rivers could be a walleye, northern pike or jumbo perch instead. The challenge of keeping aquatic nuisance species outside our borders seems almost overwhelming. It can be done, if all of us – anglers, hunters, boaters and everyone else who enjoys our waters – does their part. It’s better to spend a few extra minutes to make sure you lose those hitchhikers, than to spend hundreds of thousands of angler dollars fighting them once they’re here. Remember, it’s your choice. We’d rather lose the hitchhikers than lose our lakes.