| Common name | Soto-iwashi |
| Language | Japanese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Territory | Japan |
| Locality | |
| Ref. | Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | habitat/ecology |
| 2nd modifier | |
| Remarks | 'outer sardine' |