Haliclona viscosa. Site: Highlandman Rock, The Maidens
 Haliclona viscosa. Event number: 20220515/01. Site: Highlandman Rock, The Maidens. 2022-05-15. Photograph © Bernard Picton. (18/66) 
 Bernard Picton (2026). Photograph of Haliclona viscosa. Site: Highlandman Rock, The Maidens. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=_b227961.jpg. Accessed on 2026-11-04