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These refuges also serve as a valuable nursery for fish, shrimp, shellfish and juvenile sea turtles. Freshwater fish, including largemouth bass, Suwannee bass, bluegill, redear sunfish and channel catfish are found in the river and its creeks. The West Indian manatee and bottlenose dolphin can often be seen in the Suwannee River and just offshore where the river meets the Gulf of Mexico.