Alcyonium digitatum, Sertularia argentea, Ophiothrix fragilis. Site: Marlfield Bay, Strangford Lough
 Alcyonium digitatum, Sertularia argentea, Ophiothrix fragilis. Event number: 19830809/03. Site: Marlfield Bay, Strangford Lough. 1983-08-09. Photograph © Bernard Picton. (2/6) 
 Bernard Picton (2026). Photograph of Alcyonium digitatum, Sertularia argentea, Ophiothrix fragilis. Site: Marlfield Bay, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2825.jpg. Accessed on 2026-11-04