| Common name | Ezo-iwana |
| Language | Japanese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Japan |
| Locality | |
| Ref. | Whiteley, A.R., B.E. Penaluna, E.B. Taylor, S. Weiss, A. Abadia-Cardoso, D. Gomez-Uchida, I. Koizumi and P. Trotter, 2019 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Resident. |