Marine Biodiversity Data Portal - NI

NW Portstewart Point.

Survey number: 550 Event number: 19840705/08 Date: 1984-07-05 GPS: 55.19050,-6.72250. Depth: -2.0 to -2.0 m. [ View map ]

Site Description: Bedrock shelf with numerous gullies 1m deep. Dense kelp on top. Halichondria, Mytilus and ascidians dominated below.

Species list (64 species recorded)

PORIFERA	Alcyonium digitatum	Patella pellucida	Echinus esculentus	Polycarpa pomaria	Phyllophora crispa	CHROMOPHYTA
Leuconia nivea	Urticina felina	Trivia arctica	Aslia lefevrei	Polycarpa scuba	Plocamium cartilagineum	Desmarestia aculeata
Myxilla incrustans	Cylista elegans	Aplysia (Pruvotaplysia) punctata	TUNICATA	Dendrodoa grossularia	Lomentaria orcadensis	Desmarestia ligulata
Amphilectus fucorum	Caryophyllia smithii	Mytilus edulis	Clavelina lepadiformis	Botryllus schlosseri	Acrosorium venulosum	Desmarestia viridis
Halichondria panicea	CRUSTACEA	BRYOZOA	Polyclinum aurantium	RHODOPHYTA	Cryptopleura ramosa	Alaria esculenta
Haliclona viscosa	Balanus crenatus	Alcyonidium diaphanum	Sidnyum turbinatum	Porphyra sp.	Delesseria sanguinea	Laminaria hyperborea
CNIDARIA	Cancer pagurus	Membranipora membranacea	Aplidium nordmanni	Palmaria palmata	Membranoptera alata	CHLOROPHYTA
Halecium halecinum	Necora puber	Electra pilosa	Aplidium punctum	Corallina officinalis	Phycodrys rubens	Ulva lactuca
Sertularia argentea	MOLLUSCA	ECHINODERMATA	Didemnum sp.	Dilsea carnosa	Odonthalia dentata
Plumularia setacea	Steromphala cineraria	Asterias rubens	Diplosoma listerianum	Chondrus crispus	Polysiphonia stricta
Obelia geniculata	Calliostoma zizyphinum	Leptasterias muelleri	Ciona intestinalis	Metacallophyllis laciniata	Pterosiphonia parasitica