Dog whelks (Nucella lapillus) on honeycomb reef (made by the marine polychaete worm Sabellaria alveolata) at low tide in Swansea Bay are frequently encrusted by barnacles and many have unusual shells that are partially imbricated. See page 5  Smith, Ian. (2014). Nucella lapillus, identification and biology.. 10.13140/2.1.4382.4006.

4 Replies to “Dog Whelks on Honeycomb Reef”

  1. Thank you, Claudia. I don’t know why they are call dog whelks. I can’t find an explanation anywhere. They are lovely shells with lots of different colours. Variations in shape and detail of the shell formation can be directly related to the physical environmental conditions in which they are living.

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