| FishBase |
| Oncorhynchus masou in Gumma, Japan | |
| Main ref. | (95795). Gunma Prefecture, 2012. Red List of Gunma Prefecture 2012. Revised Version. Gunma Prefecture, Maebashi. (http://www.pref.gunma.jp/04/e2300278.html; http://www.pref.gunma.jp/contents/000219298.pdf) |
| Status: | native |
| Abundance: | |
| Comments: | Status of threat: Near threatened (Ref. 95795). |
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