Stranding News (last update date: 20, February, 2025)
- 06, May , 2003
- Finless porpoise(s) dead stranding Tsu-shi Mie-ken
- Gray whale(s) sighting Shizuoka-shi Shizuoka-ken
- Minke whale(s) by-caught Nemuro-shi Hokkaido
- Spotted seal(s) live stranding Shari-gun Shari-Cho Hokkaido
- 05, May , 2003
- Finless porpoise(s) dead stranding Shimonoseki-shi Yamaguchi-ken
- Minke whale(s) drift Gotsu-shi Shimane-ken
- 04, May , 2003
- Killer whale(s) sighting Shari-gun Shari-Cho Hokkaido
- 03, May , 2003
- Finless porpoise(s) dead stranding Shimonoseki-shi Yamaguchi-ken
- Unidentified Mesoplodon(s) drift Hiyama-gun Esashi-Cho Hokkaido
- 01, May , 2003
- Dall's porpoise(s) dead stranding Watari-gun Watari-Cho Miyagi-ken
- Finless porpoise(s) dead stranding Mie-ken
- 30, April, 2003
- Finless porpoise(s) dead stranding Kumage-gun Kaminoseki-Cho Yamaguchi-ken
- Stejneger's beaked whale(s) dead stranding Kamikita-gun Yokohama-Machi Aomori-ken
- 29, April, 2003
- Sperm whale(s) strayed into a harbor Kunigami-gun Motobu-Cho Okinawa-ken
- Unidentified dolphin(s) strayed into a river Funabashi-shi Chiba-ken
- Finless porpoise(s) dead stranding Asahi-shi Chiba-ken
- Spotted seal(s) live stranding Monbetsu-gun Omu-Cho Hokkaido
- 28, April, 2003
- Finless porpoise(s) dead stranding Aichi-ken
- Finless porpoise(s) dead stranding Aichi-ken
- Stejneger's beaked whale(s) dead stranding Oga-shi Akita-ken