Didemnum
 Didemnum "black". Event number: 20231029/02. Site: Ballydorn Light Ship. 2023-10-29. Photograph © Christine Morrow. (2/3) 
 Christine Morrow (2026). Photograph of Didemnum "black". . Site: Ballydorn Light Ship. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=ca293605.jpg. Accessed on 2026-11-03