Marine Mammals Information DATABASE

Information on dolphins, whales, seals, sea lions, dugongs, etc., such as magazine mammals' pictorial books, stranding DBs, stranding bulletins, and literature DB.

Stranding News (last update date: 19, February, 2026)

08, September, 2023

Bottlenose dolphin(s) stranded Miyazaki-shi Miyazaki-ken

05, September, 2023

Finless porpoise(s) stranded Fujitsu-gun Tara-cho Saga-ken

19, August, 2023

Short-finned pilot whale(s) stranded Hakodate-shi Hokkaido

16, August, 2023

Striped dolphin(s) stranded Akkeshi-gun, Hamanaka-cho Hokkaido

15, August, 2023

Unidentified Bottlenose dolphin(s) stranded Tateyama-shi Chiba-ken

12, August, 2023

Pacific white-sided dolphin(s) stranded Ishikari-shi Hokkaido

22, July, 2023

Finless porpoise(s) stranded NishiSonogi-gun Nagayo-cho Nagasaki-ken

10, July, 2023

Finless porpoise(s) stranded Kamiamakusa-shi Kumamoto-ken

05, July, 2023

Finless porpoise(s) stranded Yukihashi-shi Fukuoka-ken

03, July, 2023

Striped dolphin(s) stranded Akkeshi-gun, Hamanaka-cho Hokkaido

21, June, 2023

Pacific white-sided dolphin(s) stranded Ishikari-shi Hokkaido

18, June, 2023

Pygmy sperm whale(s) stranded Wakkanai-shi Hokkaido

 

Finless porpoise(s) stranded Sanyoonoda-shi Yamaguchi-ken

12, June, 2023

Short-finned pilot whale(s) stranded Nakagawa-gun, Toyokoro-cho Hokkaido

10, June, 2023

Minke whale(s) stranded Menashi-gun, Rausu-cho Hokkaido

09, June, 2023

Finless porpoise(s) drift Amakusa-shi Kumamoto-ken

05, June, 2023

Finless porpoise(s) stranded Kitakyuushuu-shi Fukuoka-ken

01, June, 2023

Harbour porpoise(s) stranded Muroran-shi Hokkaido

31, May , 2023

Finless porpoise(s) stranded Nishisonogi-gun Nagayo-cho Nagasaki-ken

 

Finless porpoise(s) stranded Higashisonogi-gun, Togitsu-cho Nagasaki-ken

Marine Mammals Stranding Database

Stranding Database

Date January 2026 December 2025 November 2025 October 2025 August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 September 2022 August 2022 July 2022 June 2022 May 2022 April 2022 March 2022 February 2022 January 2022 December 2021 November 2021 October 2021 September 2021 August 2021 July 2021 June 2021 May 2021 April 2021 March 2021 February 2021 January 2021 December 2020 November 2020 October 2020 September 2020 August 2020 July 2020 June 2020 May 2020 April 2020 March 2020 February 2020 January 2020 December 2019 November 2019 October 2019 September 2019 August 2019 July 2019 June 2019 May 2019 April 2019 March 2019 February 2019 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Illustrated Guide of Marine Mammals

Illustrated Guide of Marine Mammals

Relevant literature of Marine Mammals Stranding (PDF)

Relevant literature of Marine Mammals Stranding

Topics

A blue whale calf stranded at Kamakura ca 60 km SW from Tokyo（August 2018）