Stranding News (last update date: 20, February, 2025)
- 17, April, 1957
- Killer whale(s) sighting Hyogo-ken
- 11, April, 1957
- Minke whale(s) by-caught Himi-shi Toyama-ken
- 06, April, 1957
- Finless porpoise(s) by-caught Kobe-shi Hyogo-ken
- 06, December, 1956
- Spotted seal(s) live stranding Toba-shi Mie-ken
- 29, July, 1956
- Short-finned pilot whale(s) Niigata-ken
- 03, March, 1956
- Dall's porpoise(s) ice entrapment Shibetsu-gun Shibetsu-Cho Hokkaido
- 01, February, 1956
- Bearded seal(s) live stranding Kashiwazaki-shi Niigata-ken
- 26, November, 1955
- Minke whale(s) by-caught Numazu-shi Shizuoka-ken
- 16, March, 1955
- Gray whale(s) by-caught Himi-shi Toyama-ken
- 09, July, 1952
- Minke whale(s) by-caught Kamaishi-shi Iwate-ken
- 27, December, 1951
- Northern fur seal(s) live stranding Kashiwazaki-shi Niigata-ken
- 26, December, 1951
- Ringed seal(s) Kashiwazaki-shi Niigata-ken
- 23, November, 1951
- Unidentified Kogia(s) strayed into a cove Asakuchi-gun Tamashima-cho Okayama-ken
- 11, February, 1951
- Sperm whale(s) drift Akkeshi-gun, Akkeshi-cho Hokkaido
- 08, January, 1951
- Unidentified pilot whale(s) Higashimuro-gun Nachikatsuura-Cho Wakayama-ken
- 09, July, 1950
- Baird's beaked whale(s) drift Kameda-gun, Zenikamezawa-mura Hokkaido
- 11, June, 1950
- Unidentified whale(s) by-caught Yokosuka-shi Kanagawa-ken
- 03, April, 1950
- Unidentified Ziphiid(s) drift Higashimuro-gun Nachikatsuura-Cho Wakayama-ken
- 29, November, 1949
- Rough-toothed dolphin(s) dead stranding Kagoshima-ken
- 14, October, 1949
- Unidentified pilot whale(s) strayed into a cove Nagasaki-ken
