Marine Biodiversity Data Portal - NI

Mill Quarter Bay (boulders), Strangford Lough.

Survey number: 555 Event number: 19851027/21 Date: 1985-10-27 GPS: 54.31700,-5.53300. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: This a fucoid dominated shore, composed of boulders and low rock ridges. Boulders form the substrate on the upper and extreme lower shore, with low ridges (running perpendicular to the shoreline) on the mid and lower shore. The supralittoral is composed of shingle and sand, with a thick strand line. A lot of drift algae throughout the intertidal. The Laminaria zone became exposed to its greatest extent only after it was too dark to sample. The lower sampling limit was the bottom of Fucus serratus zone.

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Species list (166 species recorded)

PORIFERA Orbinia sp. Pagurus bernhardus BRYOZOA Rhodochorton purpureum Ceramium sp. Laminaria digitata
Clathrina coriacea Cirratulus cirratus Pisidia longicornis Alcyonidium gelatinosum Gelidium sp. Cryptopleura ramosa Laminaria saccharina
Sycon ciliatum Cirriformia tentaculata Porcellana platycheles Alcyonidium hirsutum Gelidium pusillum Delesseria sanguinea Halidrys siliquosa
Grantia compressa Capitella capitata Carcinus maenas Alcyonidium mytili Pterocladiella capillacea Membranoptera alata Ascophyllum nodosum
Leuconia nivea Arenicola marina MOLLUSCA Flustrellidra hispida Palmaria palmata Osmundea hybrida Fucus serratus
Halichondria panicea Fabricia sabella Calliostoma zizyphinum Membranipora membranacea Rhodothamniella floridula Osmundea pinnatifida Fucus spiralis
Laxosuberites sp. Pomatoceros triqueter Testudinalia testudinalis Electra pilosa Ahnfeltia plicata Polysiphonia sp. Fucus vesiculosus
CNIDARIA Spirorbis spirorbis Patella (Patella) vulgata Scrupocellaria reptans Hildenbrandia rubra Polysiphonia lanosa Pelvetia canaliculata
Coryne sp. OLIGOCHAETA sp. Patella pellucida Schizoporella unicornis Corallina officinalis CHROMOPHYTA CHLOROPHYTA
Dynamena pumila CRUSTACEA Lacuna (Lacuna) pallidula ECHINODERMATA Leptophytum sp. Ectocarpus siliculosus Entocladia viridis
Obelia dichotoma Verruca stroemia Lacuna (Epheria) vincta Asterias rubens Lithophyllum sp. Pylaiella littoralis Tellamia contorta
Obelia geniculata Semibalanus balanoides Littorina (Littorina) littorea Ophiothrix fragilis Lithothamnion glaciale Elachista fucicola Enteromorpha sp.
Actinia equina AMPHIPODA sp. Littorina (Neritrema) mariae Amphipholis squamata Mesophyllum lichenoides Myrionema strangulans Enteromorpha compressa
Urticina felina Apherusa bispinosa Littorina (Neritrema) neglecta Psammechinus miliaris Phymatolithon lenormandii Dictyosiphon foeniculaceus Enteromorpha intestinalis
NEMERTEA Apherusa jurinei Littorina (Neritrema) obtusata TUNICATA Titanoderma pustulatum Asperococcus compressus Enteromorpha linza
NEMERTEA sp. Stenothoe monoculoides Skeneopsis planorbis Polyclinum aurantium Catenella caespitosa Chilionema reptans Enteromorpha prolifera
Lineus ruber Hyale prevostii Rissoa interrupta Trididemnum tenerum Cystoclonium purpureum Petalonia fascia Ulva fasciata
ENTOPROCTA Orchestia gammarellus Onoba (Onoba) semicostata Didemnum maculosum Dilsea carnosa Ralfsia sp. Chaetomorpha linum
Pedicellina cernua Orchestia mediterranea Nucella lapillus Dendrodoa grossularia Dumontia contorta Scytosiphon lomentaria Chaetomorpha melagonium
ANNELIDA Gammarus locusta Buccinum undatum Botryllus schlosseri Furcellaria lumbricalis Stragularia clavata Cladophora albida
Harmothoe extenuata Amphithoe rubricata Retusa sp. Botrylloides leachi Chondrus crispus Isthmoplea sphaerophora Cladophora rupestris
Harmothoe imbricata Jassa falcata Mytilus edulis PISCES Mastocarpus stellatus Leathesia difformis Cladophora sericea
Harmothoe impar Jaera sp. Musculus discors Lipophrys pholis Phyllophora crispa Cladostephus spongiosus Codium sp.
Syllidae sp. Jaera albifrons Anomia ephippium Pomatoschistus pictus Phyllophora pseudoceranoides Sphacelaria cirrosa Codium atlanticum
Nereis pelagica Idotea granulosa Turtonia minuta RHODOPHYTA Plocamium cartilagineum Sphacelaria fusca
Platynereis dumerilii Palaemon elegans Hiatella arctica Erythrotrichia carnea Lomentaria articulata Dictyota dichotoma

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