Halichondria bowerbanki, Ophiothrix fragilis, Ophiocomina nigra. Site: Holm Bay, Strangford Lough
 Halichondria bowerbanki, Ophiothrix fragilis, Ophiocomina nigra. Event number: 19830803/05. Site: Holm Bay, Strangford Lough. 1983-08-03. Photograph © Bernard Picton. (1/14) 
 Bernard Picton (2026). Photograph of Halichondria bowerbanki, Ophiothrix fragilis, Ophiocomina nigra. Site: Holm Bay, Strangford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_2692.jpg. Accessed on 2026-11-04