Antiopella fusca (O'Donoghue, 1924) ♡ Like 0 Observation Details Photographer 一ノ瀬 智士 Location Japan > Hokkaido > Shakotan Date 2025/04/13 Size 30mm Depth 20.0m Water temperature 7.0℃ Related Links Species details: Antiopella fusca (O'Donoghue, 1924) More from 一ノ瀬 智士 More observations from this area Submit Photo Send Message Share Permanent URL: https://en.seaslug.world/observation/43062