Cucullanus austropacificus n. sp. from Conger cinereus. (A) Anterior end of large male (body length 24 mm), dorsoventral view; (B) anterior end of small male (body length 17 mm), lateral view; (C) cephalic end, apical view; (D) fully developed egg; (E) posterior end of male, lateral view; (F) tail of male, ventral view; (G) vulva, lateral view; (H) tail of female, lateral view; (I) region of cloaca, lateral view.