Abstract
Taeniacanthus aulacocephali sp. nov. recovered from Aulacocephalus temminckii Bleeker, 1855 (Serranidae) is described and T. sebastichthydis Yamaguti, 1939 collected from Sebastiscus marmoratus (Cuvier, 1829) and Sebastes inermis Cuvier, 1829 (Sebastidae) is redescribed. The male, copepodid V male, both sexes of copepodid IV, and copepodid II of the latter species are herein described for the first time.