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)

03, February, 1987

Spotted seal(s) dead stranding Niikappu-gun Niikappu-Cho Hokkaido

01, February, 1987

Unidentified pilot whale(s) live stranding Yaeyama-gun Taketomi-Cho Okinawa-ken

28, January, 1987

Spotted seal(s) dead stranding Otaru-shi Hokkaido

21, January, 1987

Northern fur seal(s) unknown Misawa-shi Aomori-ken

20, January, 1987

Spotted seal(s) dead stranding Otaru-shi Hokkaido

19, January, 1987

Spotted seal(s) dead stranding Otaru-shi Hokkaido

18, January, 1987

Unidentified whale(s) dead stranding Furuu-gun Tomari-Mura Hokkaido

15, January, 1987

Ribbon seal(s) strayed into a river Kushiro-shi Hokkaido

09, January, 1987

Minke whale(s) dead stranding Suzu-shi Ishikawa-ken

 

Finless porpoise(s) dead stranding Fukuoka-shi Fukuoka-ken

05, January, 1987

Pantropical spotted dolphin(s) dead stranding Shimoda-shi Shizuoka-ken

04, January, 1987

Spotted seal(s) by-caught Ishikawa-ken

28, December, 1986

Spotted seal(s) by-caught Aomori-ken

24, December, 1986

Ringed seal(s) dead stranding Kushiro-gun Kushiro-Cho Hokkaido

22, December, 1986

Baird's beaked whale(s) dead stranding Niigata-ken

16, December, 1986

Ringed seal(s) dead stranding Hokkaido

12, December, 1986

Humpback whale(s) by-caught Himi-shi Toyama-ken

 

Finless porpoise(s) by-caught Kitakyuushuu-shi Fukuoka-ken

08, December, 1986

Ringed seal(s) dead stranding Sendai-shi Miyagi-ken

27, November, 1986

Short-finned pilot whale(s) by-caught Kamogawa-shi Chiba-ken

Marine Mammals Stranding Database

Stranding Database

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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）