Haliclona viscosa, Tubularia indivisa. Site: N of Highlandman Rock, Maidens
 Haliclona viscosa, Tubularia indivisa. Event number: 19830524/06. Site: N of Highlandman Rock, Maidens. 1983-05-24. Photograph © Christine Howson. (6/9) 
 Christine Howson (2026). Photograph of Haliclona viscosa, Tubularia indivisa. Site: N of Highlandman Rock, Maidens. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1873.jpg. Accessed on 2026-11-04