抄録
Occurrences of oarfishes, Regalecus russelii (Cuvier, 1816) (Lampriformes: Regalecidae) in Sagami Bay were reviewed. There are seven certain records of this species from the bay on the basis of specimen or image. Their size of body ranged from 10-30 cm to 4.9 m in total length, and the captured season was from January to February, July and September to October. The specimen of 1817 mm in total length collected at Komekami on January 19, 2011 was very fresh and good condition, although the posterior portion of tail suffered a loss like many other examples. We first confirmed that the dorsal fin is composed of three parts, i.e. five elongate spines connected with fin membrane, one free spine with flaps, and subsequent soft rays. The counts and measurements are given in detail.