SSW of Hook Head.

Dive number: 960905/03 Date: 5 September 1996

Site Description: The site was located south of a large headland off the south coast of Ireland in approximately 15 - 20 m of water. The seabed was formed into a series of limestone ridges with patches of boulders and gravel between. The ridges had vertical, well broken faces characterised by a rich fauna of hydroids and bryozoans. The horizontal faces had a sparse kelp park with red and brown foliose algae. Depths varied from between 15.9 m BCD to approximately 14.2 m BCD.

Map site - Google maps: 52.108,-6.94533

Subsite: Infralittoral limestone bedrock, boulders and gravel with hydroids and bryozoans. details

Subsite Description: Infralittoral ridges of limestone bedrock with patches of boulders and gravel in the gullies between. Upper faces supported red foliose algae and hydroids, particularly Halecium halecinum with Pentapora foliacea. Vertical surfaces were heavily pitted and bored, with sponges Dysidea fragilis and Dercitus bucklandi and a dense cover of hydroids and bryozoans, in particular Aglaophenia spp., Lafoea dumosa and Cellaria sinuosa. A diverse and interesting habitat.

Crimora papillata, Securiflustra securifrons	Epizoanthus couchii	Bugula plumosa	Botrylloides leachi	Lafoea dumosa	Cereus pedunculatus
Cereus pedunculatus	Cellaria fistulosa	Pentapora foliacea	Acanthodoris pilosa	Alcyonium digitatum, Aslia lefevrei	Raspailia ramosa, Alcyonium digitatum