First occurrence of the hydromedusa Paralovenia bitentaculata (Hydrozoa: Leptomedusae) in Japan

The present note describes a small hydromedusa newly recorded for Japan. Two well-developed specimens of Paralovenia bitentaculata (Hydrozoa: Leptomedusae) were collected at the sea surface in Sasebo city, Nagasaki Prefecture, Kyushu, the southern main island of Japan. Photographs of the preserved specimens are presented