| Common name | Nezumi-yakko |
| Language | Japanese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Japan |
| Locality | |
| Ref. | Uyeno, T., K. Matsuura and E. Fujii (eds.), 1983 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | person (generic) |
| 1st modifier | non-fish animal |
| 2nd modifier | |
| Remarks | 'rat valet' |