@article{oai:oacis.repo.nii.ac.jp:00002511, author = {近藤, 日向子 and 松浦, 啓一 and 須之部, 友基}, journal = {Ichthy, Natural History of Fishes of Japan}, month = {Mar}, note = {Two specimens of Arothron stellatus (Tetraodontiformes: Tetraodontidae) were collected from Tateyama, Chiba Prefecture, Japan (34°58′N, 139°45′E). One of them was recognized as a matured female, 57 cm in total length (TL), because its gonads were large, swollen, and milky white in appearance. This is the first record of the matured female from Tateyama, Chiba Prefecture. Post-ovulatory follicles were observed by histological examination in the ovaries, strongly suggesting that this individual had already spawned. Vitellogenic oocytes were also observed in the ovaries at the same time, suggesting that this female could spawn more. There are two possible origins for the mature female: 1) this female may have been transported from the tropics by the Kuroshio Current; 2) the other individual was an 8.2 cm TL juvenile, and juveniles have also been recorded in Amatsu-Kominato, Chiba Prefecture and Sagami Bay in central Honshu, suggesting that this species may overwinter and grow up in Tateyama.}, pages = {34--36}, title = {千葉県館山から採集されたモヨウフグ(フグ目:フグ科)の成熟雌}, volume = {18}, year = {2022} }