Stranding News (last update date: 20, February, 2025)
- 14, May , 1991
- Pacific white-sided dolphin(s) by-caught Nyuu-gun Echizen-Cho Fukui-ken
- Pacific white-sided dolphin(s) by-caught Nyuu-gun Echizen-Cho Fukui-ken
- Pacific white-sided dolphin(s) by-caught Nyuu-gun Echizen-Cho Fukui-ken
- 09, May , 1991
- Blainville's beaked whale(s) dead stranding Ishigaki-shi Okinawa-ken
- White whale(s) Muroran-shi Hokkaido
- 04, May , 1991
- Spotted seal(s) live stranding Hiro-gun Hiro-Cho Hokkaido
- 03, May , 1991
- Minke whale(s) by-caught Shimane-ken
- 30, April, 1991
- Pacific white-sided dolphin(s) by-caught Ishikawa-ken
- Spotted seal(s) live stranding Urakawa-gun Urakawa-Cho Hokkaido
- 28, April, 1991
- Spotted seal(s) live stranding Horoizumi-gun Erimo-Cho Hokkaido
- Spotted seal(s) live stranding Hiro-gun Taiki-Cho Hokkaido
- 24, April, 1991
- Pygmy sperm whale(s) dead stranding Zushi-shi Kanagawa-ken
- 15, April, 1991
- Stejneger's beaked whale(s) dead stranding Niigata-ken
- 13, April, 1991
- Bottlenose dolphin(s) dead stranding Higashimuro-gun Nachikatsuura-Cho Wakayama-ken
- 06, April, 1991
- Blainville's beaked whale(s) strayed into a harbor Ishigaki-shi Okinawa-ken
- 05, April, 1991
- Unidentified Ziphiid(s) dead stranding Ishikawa-ken
- 31, March, 1991
- Pacific white-sided dolphin(s) dead stranding Fukui-ken
- 29, March, 1991
- Pygmy sperm whale(s) dead stranding Sanbu-gun Kujuukuri-Machi Chiba-ken
- 26, March, 1991
- Minke whale(s) by-caught Wakayama-ken
- 23, March, 1991
- Ginkgo-toothed beaked whale(s) live stranding Miura-shi Kanagawa-ken