Obelia longissima. Site: SE Mill Bay, Carlingford Lough 
 Obelia longissima. Event number: 19850531/06. Site: SE Mill Bay, Carlingford Lough. 1985-05-31. Photograph © Bernard Picton. (5/5) 
 Bernard Picton (2026). Photograph of Obelia longissima. Site: SE Mill Bay, Carlingford Lough. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_9601.jpg. Accessed on 2026-11-04