| Common name | Tatami-iwashi |
| Language | Japanese |
| Type | Market |
| Official trade name | No |
| Rank | 4 - (Less common name) |
| Country | Japan |
| Locality | |
| Ref. | Organisation for Economic Co-operation and Development, 1990 |
| Life stage | product |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Larval fish of sardine or anchovy dried in a square frame, the product looks like a sheet of paper. |