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Seagreen darter on oolenoy river
The seagreen darter (Etheostoma thalassinum) is a species of darter, where it is found in the Santee River drainage of North and South Carolina. It inhabits rocky riffles of creeks and small to medium rivers. This species can reach a length of 8.0 cm (3.1 in), though most only reach about 6.0 cm (2.4 in).