Pteraeolidia semperi (Bergh, 1870) ♡ Like 0 Observation Details Photographer 飯田 将洋 Location Japan > Kanagawa > Chigasaki > Nishihama Date 2018/05/31 Size 15mm Depth 5.0m Water temperature 21.0℃ Related Links Species details: Pteraeolidia semperi (Bergh, 1870) More from 飯田 将洋 More observations from this area Submit Photo Send Message Share Permanent URL: https://en.seaslug.world/observation/9851