Round gobies
This invasive specie is in the Grand River and many other places. Round gobies Are Saltwater Tolerant fish but they adapted to freshwater round gobies are very bad because they eat trout eggs and many other fish eggs. They are native to the Black and Caspian seas in Eastern Europe It was first found in North America in 1990 In the St. Clair River North of windsor. Round gobies are usually 7 to 15 cm long. When you catch a round gobies you are supposed to not throw it back in the water. You can throw it on the bank or step on it Just do not throw it back in the water.
Brian Morrison