| biomarkers of pah exposure in an intertidal fish species from prince william sound, alaska: 2004-2005. | polycyclic aromatic hydrocarbon (pah) exposure biomarkers were measured in high cockscomb prickleback (anoplarchus purpurescens) fish collected from both previously oiled and unoiled shore in prince william sound (pws), alaska, to test the hypothesis that fish living in the nearshore environment of the sound were no longer being exposed to pah from the exxon valdez oil spill. pricklebacks spend their entire lives in the intertidal zone of rocky shores with short-term movements during feeding and ... | 2006 | 17120588 |