Observations Status: All Mating (248) Spawning (277) Feeding (266) Swimming (45) Deformity (27) Multiple (827) Juvenile (79) Period: All 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 Glaucus atlanticus 2025-09-06 畠中信喜 Nanki kushimoto Sebadoris nubilosa 2025-09-07 YUYA Sangashita Jorunna funebris 2025-04-19 Yamakou Shiratori Kindergarten Cadlinella ornatissima 2024-06-11 Yamakou Kasane Miamira flavicostata 2024-06-11 Yamakou Kasane Stiliger sp. 1 2025-07-12 Yamakou Wannai Hypselodoris infucata 2025-04-19 Yamakou Shiratori Kindergarten Phyllidiidae sp. 1 2025-05-24 Yamakou W Arch Nembrotha cristata 2025-05-16 Yamakou Z arch Glossodoris rufomarginata 2025-05-24 Yamakou W Arch Halgerda albocristata 2025-09-07 Mizu Tburusango Verconia subnivalis 2025-09-06 Nono3 Kakurene Hypselodoris decorata 2024-11-10 Nono3 Kakurene Thuridilla splendens 2024-10-14 Nono3 Kakurene Tenellia sibogae 2024-10-14 Nono3 Kakurene Dermatobranchus striatellus 2025-09-06 Nono3 Cave Thuridilla livida 2025-09-06 Nono3 Cave Ceratosoma trilobatum 2025-09-06 Nono3 Cave Acteocina exilis 2025-08-11 小河 亮俊 Kaminato Notobryon bijecurum 2025-08-12 小河 亮俊 Sokodo(Sanmata) Jorunna sp. 3 2025-08-11 小河 亮俊 Hachijo Island Jorunna ramicola 2025-08-15 小河 亮俊 Otchogahama Tritoniopsis sp. 1 2025-08-14 小河 亮俊 Otchogahama Gymnodoris bicolor 2025-08-14 小河 亮俊 Otchogahama Costasiella paweli 2025-09-04 Yamakou Amaminosue Cyerce blackburnae 2025-09-05 モルテル琴 Montani Bay Hantazuia sp. 1 2023-01-17 Manabu Kakegawa Ishigaki and Yaeyama Baeolidia japonica 2025-09-02 伊豆北川DIVE GREEN Kajikaki Tenellia sp.54 2025-09-02 伊豆北川DIVE GREEN Kajikaki Thorunna halourga 2025-09-03 伊豆北川DIVE GREEN Kajikaki Ceratosoma bicolor 2025-09-04 伊豆北川DIVE GREEN Kajikaki Trinchesiidae sp. 1 2025-09-04 伊豆北川DIVE GREEN Kajikaki Tenellia anulata 2025-08-29 伊豆北川DIVE GREEN Kajikaki Tenellia sibogae 2025-08-31 伊豆北川DIVE GREEN Kajikaki Thecacera pacifica 2025-09-02 伊豆北川DIVE GREEN Kajikaki Miamira flavicostata 2025-08-30 伊豆北川DIVE GREEN Kajikaki Sakuraeolis enosimensis 2025-08-31 伊豆北川DIVE GREEN Kajikaki Tambja sagamiana 2025-08-31 伊豆北川DIVE GREEN Kajikaki Miamira flavicostata 2025-08-31 伊豆北川DIVE GREEN Kajikaki Cratena simba 2025-09-02 伊豆北川DIVE GREEN Kajikaki Show more (41,324 remaining) →