Gubastuckaun, Broadhaven.

Dive number: 940816/01 Date: 16 August 1994

Site Description: The site was located at the tip of a headland on the east side of a large north-facing bay on the west coast of Ireland. The seabed from 30 - 40 m BCD consisted of sloping bedrock, with a vertical face to the north. At 40 m BCD there were large blocks of rock lying on the bedrock and embedded in coarse sand. The coarse sand plain extended offshore.

Map site - Google maps: 54.30117,-9.98333

Subsite: Lower circalittoral bedrock with Securiflustra securifrons. details

Subsite Description: Lower circalittoral bedrock and large boulders. The rock was covered with abundant Caryophyllia smithii with Alcyonium glomeratum frequent. A variety of sponges and hydroids, including some scarce species, were present.

Subsite: Coarse sand with Lutraria lutraria. details

Subsite Description: A plain of coarse sand with Lutraria lutraria frequent. Survey was short due to depth.

Alcyonium glomeratum, Caryophyllia smithii	Hemimycale columella, Tritonia hombergii	Laxosuberites incrustans	Urticina felina, Securiflustra securifrons	Porella compressa	Porella compressa
Porella compressa	Polymastia	Axinella dissimilis	Aequorea