2019 年 2019 巻 40 号 p. 33-35
An sub-adult male of Plagusia immaculata (CL: 20.1 mm, CW: 20.8 mm) was collected from Sagami Bay (around Enoshima Island), Kanagawa Prefecture, central Japan in July 2018. This is the first record of P. immaculata from Sagami Bay. This should be the northernmost record for this species.