Pteraeolidia semperi (Bergh, 1870) ♡ Like 0 Observation Details Photographer はらはら Location Japan > Mie > Ise Shima > Kouga Date 2020/12/30 Size 25mm Depth 4.0m Water temperature 17.0℃ Related Links Species details: Pteraeolidia semperi (Bergh, 1870) More from はらはら More observations from this area Submit Photo Send Message Share Permanent URL: https://en.seaslug.world/observation/23500