|Researched by||Ken Neal||Refereed by||Admin|
|Authority||(da Costa, 1778)|
|Other common names||-||Synonyms||Lunatia catena (da Costa, 1778), Natica catena (da Costa, 1778), Polinices catena.|
Euspira catena is very similar to Alder's necklace shell Euspira nitida but with some differences. Euspira catena is a much larger snail, the spire is more obvious in Euspira catena and the whorls are shouldered and have distinct joins (sutures). The shell of Euspira catena is much paler in colour than Euspira nitida and has only a single row of brown markings on the last whorl. However, Euspira catena and Euspira nitida have similar distributions and habitat preferences and are, therefore, likely to be found together.
Egg capsules are laid in a characteristic open collar-shaped mass of jelly and sand grains (Graham, 1988, Hayward et al., 1996). The collar is ca 7.5 cm in diameter with eggs capsules arranged in regular lines within the collar but bulging slightly on its surface. Breeding occurs in spring and early summer (Graham, 1988).
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Centre for Environmental Data and Recording, 2018. Ulster Museum Marine Surveys of Northern Ireland Coastal Waters. Occurrence dataset https://www.nmni.com/CEDaR/CEDaR-Centre-for-Environmental-Data-and-Recording.aspx accessed via NBNAtlas.org on 2018-09-25.
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Kent Wildlife Trust, 2018. Kent Wildlife Trust Shoresearch Intertidal Survey 2004 onwards. Occurrence dataset: https://www.kentwildlifetrust.org.uk/ accessed via NBNAtlas.org on 2018-10-01.
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NBN (National Biodiversity Network) Atlas. Available from: https://www.nbnatlas.org.
OBIS (Ocean Biogeographic Information System), 2021. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2021-10-24
Outer Hebrides Biological Recording, 2018. Invertebrates (except insects), Outer Hebrides. Occurrence dataset: https://doi.org/10.15468/hpavud accessed via GBIF.org on 2018-10-01.
South East Wales Biodiversity Records Centre, 2018. SEWBReC Molluscs (South East Wales). Occurrence dataset: https://doi.org/10.15468/jos5ga accessed via GBIF.org on 2018-10-02.
This review can be cited as:
Last Updated: 30/05/2006