Marine Biodiversity Data Portal - NI

Holm Bay, Strangford Lough.

Survey number: 555 Event number: 19841028/21 Date: 1984-10-28 GPS: 54.40283,-5.64000. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: The transect was taken across an Ascophyllum dominated small and medium boulder shore, with areas of muddy sand and muddy gravel between boulders. Clay outcrops were present under some boulders in zone 3, but these were rare. There was a thick strand line lying on the cobbles of the upper shore. The transect was visited on two occasions - zones 1-3 on 28.10.84 and zones 4 and 5 on 27.5.85 for 1 hour. This was because of poor tides during the first visit.

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Species list (188 species recorded)

PORIFERA Nereis pelagica Jaera albifrons Anomia ephippium Didemnum sp. Chondrus crispus Ascophyllum nodosum
Clathrina coriacea Platynereis coccinea Idotea granulosa Cerastoderma edule Ascidia conchilega Erythrodermis traillii Fucus serratus
Leucosolenia sp. Cirratulus cirratus Ligia oceanica Turtonia minuta Ascidia mentula Mastocarpus stellatus Fucus spiralis
Sycon ciliatum Cirriformia tentaculata Pagurus bernhardus Hiatella arctica Dendrodoa grossularia Polyides rotundus Fucus vesiculosus
Grantia compressa Capitellidae sp. Pisidia longicornis BRYOZOA Botryllus schlosseri Lomentaria articulata Pelvetia canaliculata
Leuconia nivea Arenicola marina Necora puber Crisia denticulata Botrylloides leachi Lomentaria clavellosa CHLOROPHYTA
Ophlitaspongia papilla Eupolymnia nebulosa Carcinus maenas Tubulipora phalangea PISCES Callithamnion corymbosum Chlorochytrium cohnii
Myxilla incrustans Lanice conchilega MOLLUSCA Alcyonidium gelatinosum Anguilla anguilla Ceramium sp. Monostroma grevillei
Halichondria panicea Pomatoceros triqueter Emarginula (Emarginula) fissura Alcyonidium hirsutum Lipophrys pholis Griffithsia corallinoides Ulothrix flacca
Halisarca dujardinii Filograna implexa Calliostoma zizyphinum Flustrellidra hispida Pholis gunnellus Halurus flosculosus Chlorofilum ephemerum
Laxosuberites sp. Spirorbis rupestris Testudinalia testudinalis Membranipora membranacea AVES Membranoptera alata Tellamia sp.
CNIDARIA Spirorbis spirorbis Tectura virginea Electra pilosa Calidris alba Osmundea pinnatifida Blidingia minima
Dynamena pumila Spirorbis tridentatus Patella (Patella) vulgata Callopora lineata RHODOPHYTA Polysiphonia lanosa Enteromorpha sp.
Laomedea flexuosa CHELICERATA Patella pellucida Callopora rylandi Erythrocladia irregularis Polysiphonia stricta Enteromorpha clathrata
Actinia equina Phoxichilidium femoratum Lacuna (Lacuna) pallidula Celleporella hyalina Erythrotrichia carnea Rhodomela confervoides Enteromorpha compressa
Urticina felina CRUSTACEA Littorina (Littorina) littorea Umbonula littoralis Acrochaetium microscopicum CHROMOPHYTA Enteromorpha intestinalis
NEMERTEA Verruca stroemia Littorina (Neritrema) mariae Escharoides coccinea Acrochaetium secundata Ectocarpus fasciculatus Enteromorpha linza
NEMERTEA sp. Semibalanus balanoides Littorina (Neritrema) neglecta Schizoporella unicornis Audouinella sp. Ectocarpus siliculosus Enteromorpha prolifera
ENTOPROCTA Balanus crenatus Littorina (Neritrema) obtusata Phaeostachys spinifera Gelidium pusillum Pylaiella littoralis Ulva fasciata
Pedicellina cernua Stenothoe monoculoides Skeneopsis planorbis Microporella ciliata Palmaria palmata Streblonema effusum Chaetomorpha linum
ANNELIDA Hyale prevostii Rissoa interrupta Cellepora pumicosa Rhodothamniella floridula Elachista fucicola Cladophora albida
Harmothoe extenuata Orchestia gammarellus Onoba (Onoba) semicostata ECHINODERMATA Hildenbrandia rubra Chilionema reptans Cladophora rupestris
Harmothoe imbricata Dexamine spinosa Nucella lapillus Asterina gibbosa Melobesia membranacea Scytosiphon lomentaria Cladophora sericea
Harmothoe impar Dexamine thea Buccinum undatum Asterias rubens Phymatolithon lenormandii Cladostephus spongiosus Rhizoclonium riparium
Phyllodocidae sp. Gammarus locusta Acanthodoris pilosa Leptasterias muelleri Pneophyllum sp. Sphacelaria cirrosa
Eulalia sp. Amphithoe rubricata Doris pseudoargus Ophiothrix fragilis Titanoderma pustulatum Sphacelaria fusca
Eulalia viridis Sunamphithoe pelagica Aeolidia papillosa Amphipholis squamata Catenella caespitosa Chorda filum
Syllidae sp. Corophium insidiosum Mytilidae sp. TUNICATA Cystoclonium purpureum Laminaria digitata
Typosyllis hyalina Caprella acanthifera Mytilus edulis Polyclinum aurantium Dumontia contorta Laminaria hyperborea
Streptosyllis websteri Dynamene bidentata Musculus discors Sidnyum turbinatum Furcellaria lumbricalis Laminaria saccharina

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