| Short-necked clam （Veneridae） |
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| This shellfish lives in the sand mud bottom between a tide pool and the pebble of the reef.The surface of the husk becomes into texture form. The design emerges in the husk of right and left symmetrically and is full of variation. It can gather shellfish at low tide in a beach in from April to May. |
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| 「水のいきものシリーズ第１集 大阪湾・磯に生きる貝」 |
| This page is translated from the original of the book which the Natural history museum .Kishiwada city published mentioned above and quoted a photograph. |