Stranding News (last update date: 20, February, 2025)
- 08, May , 2004
- Minke whale(s) dead stranding Notsuke-gun Betsukai-Cho Hokkaido
- 06, May , 2004
- Cuvier's beaked whale(s) live stranding Shiraoi-gun Shiraoi-Cho Hokkaido
- 05, May , 2004
- Minke whale(s) by-caught Ofunato-shi Iwate-ken
- Minke whale(s) by-caught Tsushima-shi Nagasaki-ken
- Minke whale(s) dead stranding Menashi-gun Rausu-Cho Hokkaido
- 04, May , 2004
- Minke whale(s) by-caught Miyagi-ken
- 03, May , 2004
- Pacific white-sided dolphin(s) dead stranding Hakui-gun Shika-Machi Ishikawa-ken
- 02, May , 2004
- Minke whale(s) by-caught Fukui-ken
- Unidentified Mesoplodon(s) dead stranding Hokkaido
- 30, April, 2004
- Minke whale(s) by-caught Miyagi-ken
- Spotted seal(s) by-caught Tsuruoka-shi Yamagata-ken
- Spotted seal(s) live stranding Shari-gun Shari-Cho Hokkaido
- 29, April, 2004
- Minke whale(s) by-caught Yamaguchi-ken
- Pacific white-sided dolphin(s) dead stranding Niigata-ken
- 28, April, 2004
- Bottlenose dolphin(s) dead stranding Toyohashi-shi Aichi-ken
- Finless porpoise(s) dead stranding Shimonoseki-shi Yamaguchi-ken
- 27, April, 2004
- Killer whale(s) sighting Hokkaido
- Harbour porpoise(s) by-caught Hakodate-shi Hokkaido
- 26, April, 2004
- Finless porpoise(s) dead stranding Tahara-shi Aichi-ken
- Finless porpoise(s) dead stranding Tahara-shi Aichi-ken