4587 Sebastes pachycephalus Temminck & Schlegel, 1843 Sebastidae Rockfishes, rockcods and thornyheads Sebastinae Perciformes/Scorpaenoidei Teleostei Northwest Pacific: from Japan to the southern part of the Korean Peninsula, and the Yellow and Pohai Sea coasts of China. AMNH 4000 Sebastes pachycephalus IGFA 38 N 141 E Sebastes pachycephalus