Marine Biodiversity Data Portal - NI

South Island, Strangford Lough.

Survey number: 555 Event number: 19860520/21 Date: 1986-05-20 GPS: 54.52000,-5.58100. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: An extensive sheltered boulder shore and muddy sand shore situated to the south of South Island extending from what appears to be man-made stone and boulder ridges (fish traps?). The upper shore is on the ridges whereas the middle and lower shore boulders tend to be widely dispersed with gravel on muddy sand. Although the lower shore boulders are closer together and substrate more gravel and stone. The zonation is fucoid attached to the boulders. Terns and oyster catchers were seen feeding near the site, and the middle shore has a small localised mussel bed on the sand between some boulders.

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Species list (173 species recorded)

PORIFERA Lepidonotus squamatus Jassa falcata Musculus subpictus Ascidia conchilega Mastocarpus stellatus Cladostephus spongiosus
Leucosolenia sp. Nephtys hombergii Lembos websteri Musculus discors Ascidia mentula Chylocladia verticillata Sphacelaria cirrosa
Sycon ciliatum Scolelepis (Scolelepis) mesnili Corophium bonnellii Mimachlamys varia Dendrodoa grossularia Lomentaria articulata Dictyota dichotoma
Grantia compressa Cirratulus cirratus Idotea granulosa Anomia ephippium Botryllus schlosseri Rhodymenia pseudopalmata Laminaria digitata
Leuconia nivea Arenicola marina Pisidia longicornis Cerastoderma edule Botrylloides leachi Ceramium sp. Laminaria saccharina
Pachymatisma johnstonia Eupolymnia nebulosa Porcellana platycheles Macoma balthica PISCES Hypoglossum hypoglossoides Halidrys siliquosa
Tethya citrina Lanice conchilega Carcinus maenas Ruditapes decussatus Lipophrys pholis Membranoptera alata Ascophyllum nodosum
Ophlitaspongia papilla Sabella pavonina MOLLUSCA Venerupis corrugata Pholis gunnellus Osmundea hybrida Fucus serratus
Myxilla incrustans Pomatoceros triqueter Tonicella marmorea Mya arenaria RHODOPHYTA Osmundea pinnatifida Fucus spiralis
Halichondria panicea Filograna implexa Acanthochitona crinita BRYOZOA Acrochaetium microscopicum Polysiphonia atlantica Fucus vesiculosus
Halisarca dujardinii Spirorbis rupestris Diodora graeca Crisidia cornuta Acrochaetium secundata Polysiphonia lanosa Pelvetia canaliculata
Haliclona sp. Spirorbis spirorbis Calliostoma zizyphinum Alcyonidium gelatinosum Rhodochorton purpureum Polysiphonia stricta CHLOROPHYTA
Laxosuberites sp. Spirorbis tridentatus Testudinalia testudinalis Alcyonidium hirsutum Gelidium pusillum Rhodomela confervoides Monostroma grevillei
CNIDARIA OLIGOCHAETA sp. Tectura virginea Flustrellidra hispida Palmaria palmata CHROMOPHYTA Entocladia flustrae
Dynamena pumila CHELICERATA Patella (Patella) vulgata Electra pilosa Rhodothamniella floridula Ectocarpus fasciculatus Entocladia viridis
Gonothyraea loveni Nymphon gracile Littorina (Littorina) littorea Schizoporella unicornis Hildenbrandia rubra Ectocarpus siliculosus Tellamia sp.
Obelia dichotoma Achelia longipes Littorina (Neritrema) mariae Phaeostachys spinifera Corallina officinalis Pylaiella littoralis Ulvella applanata
Obelia geniculata Endeis spinosa Littorina (Neritrema) neglecta ECHINODERMATA Leptophytum sp. Elachista fucicola Enteromorpha sp.
Actinia equina CRUSTACEA Littorina (Neritrema) obtusata Asterias rubens Lithophyllum incrustans Pseudolithoderma extensum Enteromorpha linza
Urticina felina Verruca stroemia Skeneopsis planorbis Leptasterias muelleri Lithophyllum orbiculatum Dictyosiphon foeniculaceus Enteromorpha prolifera
NEMERTEA Elminius modestus Rissoa interrupta Amphipholis squamata Lithothamnion glaciale Asperococcus compressus Enteromorpha torta
NEMERTEA sp. Semibalanus balanoides Onoba (Onoba) semicostata TUNICATA Phymatolithon laevigatum Chilionema reptans Ulva fasciata
Lineus ruber Balanus crenatus Nucella lapillus Polyclinum aurantium Phymatolithon lenormandii Petalonia fascia Cladophora rupestris
ANNELIDA Stenothoe monoculoides Buccinum undatum Trididemnum tenerum Titanoderma pustulatum Ralfsia sp. Cladophora sericea
Harmothoe sp. Dexamine thea Aeolidia papillosa Ciona intestinalis Catenella caespitosa Ralfsia verrucosa ANGIOSPERMAE
Harmothoe imbricata Tritaeta gibbosa Mytilidae sp. Ascidiella aspersa Dumontia contorta Stragularia clavata Zostera marina
Lepidonotus clava Amphithoe rubricata Mytilus edulis Ascidiella scabra Furcellaria lumbricalis Leathesia difformis

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