| Rapana venosa （Muricidae） |
 |
| This shellfish has habitation at the sand mud bottom to 30m. It may be sometimes produced by the clamming. It is used for dyeing by the shellfish purple from old days. The height of the shell is approximately 15cm. It prey on Oyster and other shellfish. The Japanese sea near the shore is autochthonism. |
|
|
|
The photograph mentioned above was provided by Tannowa fishermen's cooperative
association, |