Stranding News (last update date: 20, February, 2025)
- 10, May , 1989
- Striped dolphin(s) live stranding Tateyama-shi Chiba-ken
- 08, May , 1989
- Pacific white-sided dolphin(s) by-caught Odawara-shi Kanagawa-ken
- Minke whale(s) by-caught Fukuoka-shi Fukuoka-ken
- 06, May , 1989
- Minke whale(s) by-caught Chiba-ken
- 02, May , 1989
- Finless porpoise(s) drift Chita-gun Minamichita-Cho Aichi-ken
- Risso's dolphin(s) strayed into a harbor Chiba-shi Chiba-ken
- 30, April, 1989
- Pacific white-sided dolphin(s) by-caught Hyogo-ken
- Harbour porpoise(s) by-caught Hokkaido
- Harbour porpoise(s) by-caught Hokkaido
- 29, April, 1989
- Unidentified Mesoplodon(s) dead stranding Wajima-shi Ishikawa-ken
- 27, April, 1989
- Pantropical spotted dolphin(s) live stranding Miura-gun Hayama-Machi Kanagawa-ken
- 25, April, 1989
- Unidentified Mesoplodon(s) live stranding Wajima-shi Ishikawa-ken
- 22, April, 1989
- Pacific white-sided dolphin(s) by-caught Ishikawa-ken
- 20, April, 1989
- Bottlenose dolphin(s) Oshima-gun Setochi-Cho Kagoshima-ken
- 18, April, 1989
- Cuvier's beaked whale(s) drift Nishimuro-gun Shirahama-Cho Wakayama-ken
- 17, April, 1989
- Finless porpoise(s) dead stranding Mie-ken
- 15, April, 1989
- Unidentified dolphin(s) by-caught Yosa-gun Ine-Cho Kyoto-fu
- 13, April, 1989
- Pacific white-sided dolphin(s) by-caught Maizuru-shi Kyoto-fu
- 11, April, 1989
- Rough-toothed dolphin(s) strayed into a cove Kagoshima-ken
- 10, April, 1989
- Risso's dolphin(s) by-caught Wakayama-ken