3510 Percina sciera (Swain, 1883) Percidae Perches Etheostomatinae Perciformes/Percoidei Teleostei Dusky darter North America: Mississippi River basin from Ohio and West Virginia to eastern Illinois and south to Louisiana in the USA; Gulf drainages from Black Warrior River in Alabama to Guadalupe River in Texas, USA. AMNH 87257 Percina sciera AMNH 60156 1951 Percina sciera AMNH 63909 1965 Percina sciera AMNH 67652 1968 Percina sciera AMNH 55435 1969 Percina sciera AMNH 65332 1969 Percina sciera AMNH 65537 1970 Percina sciera AMNH 66057 1970 Percina sciera AMNH 65110 1971 Percina sciera AMNH 66748 1971 Percina sciera AMNH 66809 1971 Percina sciera AMNH 68079 1972 Percina sciera AMNH 68434 1972 Percina sciera AMNH 87050 1976 Percina sciera AMNH 225727 1991 Percina sciera