| reproductive health indicators of fishes from pennsylvania watersheds: association with chemicals of emerging concern. | fishes were collected at 16 sites within the three major river drainages (delaware, susquehanna, and ohio) of pennsylvania. three species were evaluated for biomarkers of estrogenic/antiandrogenic exposure, including plasma vitellogenin and testicular oocytes in male fishes. smallmouth bass micropterus dolomieu, white sucker catostomus commersonii, and redhorse sucker moxostoma species were collected in the summer, a period of low flow and low reproductive activity. smallmouth bass were the only ... | 2014 | 24934131 |