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)

07, September, 2024
Unidentified dolphin(s) strayed into a cove Gamagori-shi Aichi-ken
23, August, 2024
Finless porpoise(s) stranded Suzuka-shi Mie-ken
19, August, 2024
Pacific white-sided dolphin(s) stranded Shiraoi-gun, Shiraoi-cho Hokkaido
18, August, 2024
Pacific white-sided dolphin(s) stranded Futami-gun, Yakumo-cho Hokkaido
16, August, 2024
Unidentified Delphinid(s) stranded Samani-gun, Samani-cho Hokkaido
15, August, 2024
Finless porpoise(s) stranded Yokkaichi-shi Mie-ken
01, August, 2024
Finless porpoise(s) stranded Unzen-shi Nagasaki-ken
26, July, 2024
Sperm whale(s) stranded Izumi-gun, Nagashima-cho Kagoshima-ken
17, July, 2024
Dall's porpoise(s) stranded Menashi-gun Rausu-cho Hokkaido
 
Dall's porpoise(s) stranded Menashi-gun Rausu-cho Hokkaido
16, July, 2024
Pacific white-sided dolphin(s) stranded Hidaka-gun Shin-hidaka-cho Hokkaido
15, July, 2024
Risso's dolphin(s) stranded Kamo-gun, Kawazu-cho Shizuoka-ken
14, July, 2024
Unidentified dolphin(s) stranded Tsu-shi Mie-ken
10, July, 2024
Northern right whale dolphin(s) stranded Hidaka-gun Shin-hidaka-cho Hokkaido
 
Minke whale(s) stranded Hidaka-gun Shin-hidaka-cho Hokkaido
09, July, 2024
Pantropical spotted dolphin(s) mass stranding Kumage-gun, Minamitane-cho Kagoshima-ken
 
Pacific white-sided dolphin(s) stranded Tomakomai-shi Hokkaido
 
Harbour porpoise(s) stranded Tokachi-gun Urahoro-cho Hokkaido
08, July, 2024
Pantropical spotted dolphin(s) mass stranding Kumage-gun, Minamitane-cho Kagoshima-ken
05, July, 2024
Sato’s beaked whale(s) stranded Kushiro-shi Hokkaido