| Citation | Ministry of Environment, Japan, 2013, Fourth Red list of Pisces - Brackish and Freshwater Fishes.. Published on-line (http://www.biodic.go.jp/rdb/rdb_f.html) |
| Ref. | Ministry of Environment, Japan, 2013 |
| Page | |
| Named Used as Valid | Uropterygius concolor |
| Comment | Outside distributional range, most probably referring to another species in the Uropterygius concolor species complex (Ref. 131362). |
| Locality | |
| Distribution | Japan |
| Quote | Status of threat: Critically endangered (Ref. 94887). |