image: Halecium muricatum. Showing oval-shaped gonothecae with spinous outgrowths, and the nudibranch, <em>Doto</em> cf. <em>fragilis</em>, Norway, 2018.

Halecium muricatum (Ellis & Solander, 1786)
Showing oval-shaped gonothecae with spinous outgrowths, and the nudibranch, Doto cf. fragilis, Norway, 2018. Photograph © Bernard Picton

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 Bernard Picton (2026). Photograph of Halecium muricatum. (Ellis & Solander, 1786). [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/photo.php?item=_b186285. Accessed on 2026-11-04