- Fishery managers have found that Gobies have been able to compete successfully with native, bottom dwelling fish such as sculpins and darters.
- substantial reductions in local populations of sculpins in areas in where gobies have become established. The Goby invasion has impacted the food chain of recreationally important fish such as smallmouth bass and walleye.
- Gobies is their aggressiveness with regard to recreational fishing. These fish aggressively take bait from hooks
- Because the gobies have entered into the Mississippi River drainage, their range will naturally expand beyond the Great Lakes. However, anglers need to learn how to identify Round Gobies and not use it as bait. Preventing this practice will help to reduce the spread of gobies.