Marionia sp. 4 ♡ Like 0 Observation Details Photographer 今川郁 Location Japan > Okinawa > Tonaki Is > Blue Hole Date 2009/04/08 Size 100mm Depth 15.0m Water temperature 21.0℃ Related Links Species details: Marionia sp. 4 More from 今川郁 More observations from this area Submit Photo Send Message Share Permanent URL: https://en.seaslug.world/observation/1678