Lake Superior other Great Lakes fish, populations have also been affected by the accidental or intentional introduction of foreign species such as the sea lamprey and Eurasian ruffe. Accidental introductions have occurred in part by the removal of natural barriers to navigation between the Great Lakes. Overfishing has also been a factor in the decline of fish populations. Lake Superior Lake Superior (; ), the largest of the Great Lakes of North America, is also the world's largest freshwater lake by surface area, and the third largest freshwater lake by volume. The lake is shared by the Canadian province of Ontario to
Lake Tarpon Lake Tarpon Lake Tarpon is a freshwater lake located about west of Tampa in Palm Harbor and Tarpon Springs, Florida. Lake Tarpon is the largest lake in Pinellas County with a surface area of . Its watershed encompasses including the two largest tributaries, South Creek and Brooker Creek. Lake Tarpon can be visited at Anderson Park, Chesnut Park, or several other public access points. The lake is a regional recreational destination and is renowned for its largemouth bass fishing. Although Lake Tarpon is designated as a fishing and swimming lake, it fails to meet the EPA's standards, and is therefore