Stranding News (last update date: 20, February, 2025)
- 21, April, 2003
- Pacific white-sided dolphin(s) dead stranding Tateyama-shi Chiba-ken
- 20, April, 2003
- Finless porpoise(s) dead stranding Ise-shi Mie-ken
- Spotted seal(s) live stranding Horoizumi-gun Erimo-Cho Hokkaido
- 19, April, 2003
- Risso's dolphin(s) live stranding Tateyama-shi Chiba-ken
- 16, April, 2003
- Minke whale(s) by-caught Miyagi-ken
- Minke whale(s) by-caught Ishikawa-ken
- 15, April, 2003
- Minke whale(s) by-caught Chiba-ken
- Harbour porpoise(s) by-caught Hakodate-shi Hokkaido
- 14, April, 2003
- Risso's dolphin(s) dead stranding Ito-shi Shizuoka-ken
- Pacific white-sided dolphin(s) by-caught Nanao-shi Ishikawa-ken
- Harbour porpoise(s) by-caught Hakodate-shi Hokkaido
- 13, April, 2003
- Minke whale(s) by-caught Mutsu-shi Aomori-ken
- Minke whale(s) by-caught Shimane-ken
- Harbour porpoise(s) by-caught Hakodate-shi Hokkaido
- 12, April, 2003
- Northern fur seal(s) sighting Ishikawa-ken
- Pacific white-sided dolphin(s) by-caught Nanao-shi Ishikawa-ken
- 10, April, 2003
- Stejneger's beaked whale(s) dead stranding Niigata-shi Niigata-ken
- 09, April, 2003
- Finless porpoise(s) live stranding Chita-gun Minamichita-Cho Aichi-ken
- Minke whale(s) by-caught Ofunato-shi Iwate-ken
- Pacific white-sided dolphin(s) dead stranding Niigata-ken