Stranding News (last update date: 20, February, 2025)
- 05, October, 1984
- Finless porpoise(s) by-caught Ako-shi Hyogo-ken
- 01, September, 1984
- Fraser's dolphin(s) by-caught Nakagami-gun Kitanakagusuku-Son Okinawa-ken
- 10, August, 1984
- Dwarf sperm whale(s) live stranding Higashimuro-gun Nachikatsuura-Cho Wakayama-ken
- 04, July, 1984
- Dwarf sperm whale(s) dead stranding Hakui-shi Ishikawa-ken
- 25, June, 1984
- Ribbon seal(s) drift Shiranuka-gun Shiranuka-Cho Hokkaido
- 13, June, 1984
- Stejneger's beaked whale(s) dead stranding Maizuru-shi Kyoto-fu
- 09, June, 1984
- Pacific white-sided dolphin(s) strayed into a harbor Nishitsugaru-gun Fukaura-Machi Aomori-ken
- 07, June, 1984
- Risso's dolphin(s) dead stranding Aichi-ken
- 06, June, 1984
- Unidentified Ziphiid(s) live stranding Ishikawa-ken
- 04, June, 1984
- Finless porpoise(s) dead stranding Chita-gun Minamichita-Cho Aichi-ken
- Common dolphin(s) by-caught Kyoto-fu
- 29, May , 1984
- Harbour porpoise(s) by-caught Hokkaido
- 19, May , 1984
- Dwarf sperm whale(s) strayed into a harbor Naha-shi Okinawa-ken
- 17, May , 1984
- Harbour porpoise(s) by-caught Hokkaido
- 15, May , 1984
- Spotted seal(s) live stranding Hiro-gun Hiro-Cho Hokkaido
- 11, May , 1984
- Ribbon seal(s) live stranding Akkeshi-gun Akkeshi-Cho Hokkaido
- 10, May , 1984
- Stejneger's beaked whale(s) dead stranding Niigata-ken
- Pacific white-sided dolphin(s) by-caught Fukui-ken
- Harbour porpoise(s) by-caught Suttsu-gun Suttsu-Cho Hokkaido
- 09, May , 1984
- Spotted seal(s) dead stranding Hiro-gun Taiki-Cho Hokkaido