Stranding News (last update date: 20, February, 2025)
- 25, May , 1999
- Finless porpoise(s) dead stranding Suzuka-shi Mie-ken
- Spotted seal(s) by-caught Samani-gun Samani-Cho Hokkaido
- 24, May , 1999
- Finless porpoise(s) live stranding Tsu-shi Mie-ken
- 23, May , 1999
- Dall's porpoise(s) dead stranding Abashiri-shi Hokkaido
- 22, May , 1999
- Finless porpoise(s) drift Nishio-shi Aichi-ken
- Pantropical spotted dolphin(s) live stranding Yaeyama-gun Taketomi-Cho Okinawa-ken
- Pacific white-sided dolphin(s) dead stranding Akita-ken
- 21, May , 1999
- Bottlenose dolphin(s) dead stranding Joetsu-shi Niigata-ken
- 20, May , 1999
- Finless porpoise(s) dead stranding Aichi-ken
- Finless porpoise(s) dead stranding Shimonoseki-shi Yamaguchi-ken
- 19, May , 1999
- Bottlenose dolphin(s) dead stranding Takamatsu-shi Kagawa-ken
- Finless porpoise(s) dead stranding Suzuka-shi Mie-ken
- Harbour seal(s) live stranding Horoizumi-gun Erimo-Cho Hokkaido
- 18, May , 1999
- Finless porpoise(s) dead stranding Chita-gun Minamichita-Cho Aichi-ken
- Finless porpoise(s) dead stranding Ibaraki-ken
- Pacific white-sided dolphin(s) dead stranding Takaoka-shi Toyama-ken
- 15, May , 1999
- Finless porpoise(s) dead stranding Aichi-ken
- 14, May , 1999
- Risso's dolphin(s) dead stranding Yaeyama-gun Taketomi-Cho Okinawa-ken
- Northern fur seal(s) dead stranding Akita-ken
- 12, May , 1999
- White whale(s) sighting Rishiri-gun Rishirifuji-Cho Hokkaido