Syngnathus acus. Site: E of Red Castle Lough Foyle
 Syngnathus acus. Event number: 19820811/01. Site: E of Red Castle Lough Foyle. 1982-08-11. Photograph © David Connor. (3/5) 
 David Connor (2026). Photograph of Syngnathus acus. Site: E of Red Castle Lough Foyle. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_0719.jpg. Accessed on 2026-11-04