Halecium halecinum, Cellaria fistulosa, Ophiothrix fragilis. Site: Holm Bay, Strangford Lough
 Halecium halecinum, Cellaria fistulosa, Ophiothrix fragilis. Event number: 19830803/05. Site: Holm Bay, Strangford Lough. 1983-08-03. Photograph © Bernard Picton. (9/14) 
 Bernard Picton (2026). Photograph of Halecium halecinum, Cellaria fistulosa, Ophiothrix fragilis. Site: Holm Bay, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2700.jpg. Accessed on 2026-11-04