| 2020-07-06 | Mollusk with an iridescent inner shell |
| 2018-04-23 | Sea snail with a mother-of-pearl shell |
| 2018-03-17 | Another name for an ear shell |
| 2016-12-13 | Mother-of-pearl source |
| 2016-10-23 | Mother-of-pearl source |
| 2015-06-30 | Ornamental shell source |
| 2013-12-12 | Awabi, at a sushi bar |
| 2007-08-27 | Mother-of-pearl source |
| 2006-03-01 | Mother-of-pearl source |
| 2005-01-04 | Mother-of-pearl source |
| 2003-07-17 | Marine rock-clinger |
| 2003-04-05 | Mother-of-pearl source |
| 2002-07-27 | Marine rock-clinger |
| 1998-12-11 | Sea-ear |
| 1997-12-13 | Ornamental shell |
| 1997-09-07 | Sautéed fish dish |
| 1997-07-02 | Mother-of-pearl source |
| 1997-05-11 | Mother-of-pearl source |
| 1994-03-03 | Seafood order |
| 1994-02-27 | Mother-of-pearl source |