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Place name : S.S. Lochgarry, Rathlin Island. County : Antrim

Date : 2024-05-19 GPS : 55.26595,-6.17392. Depth : -27.0 to -32.0 m. [ View map ]

Site Description : Wreck of S.S. Lochgarry and adjacent seabed of boulders with muddy sand, with very tide-swept faunal communities. Circalittoral tide-swept mixed gravel, stone and boulders, wave-sheltered, with deep-water hydroids and sponges. Areas of muddy sand in the lee of the wreck with sea pens (Virgularia mirabilis) and many free-living cup corals at the surface of the gravel near the wreck.

East coast Rathlin circalittoral zone seabed of boulders and stony gravel with hydroids and sponges. Common sunstar Crossaster papposus [00:00:38]; Devonshire cup corals Caryophyllia smithii [00:01:07]; discarded lobster pot and free-living cup corals in sediment [00:01:25]; muddy sediment with sea pens Virgularia mirabilis [00:02:00]; rose coral Pentapora foliacea [00:02:27]; cup-shaped sponge Axinella infundibuliformis [00:03:25]; Hornwrack bryozoan Flustra foliacea [00:03:35]; mixed hydroids Diphasia alata and Polyplumaria flabellata [00:04:20]; Staghorn sponge Axinella dissimilis [00:04:34]; yellow sponge Myxilla incrustans [00:04:51]; orange sponge Myxilla fimbriata [00:04:55]; bryozoan Securiflustra securifrons [00:05:03].

Biotope 1 : Circalittoral tide-swept boulders, wave-sheltered, with deep-water hydroids and sponges. Deep sponge communities (circalittoral).

PORIFERA
Dysidea fragilis R
Pachymatisma johnstonia R
Axinella dissimilis R
Axinella infundibuliformis F
Raspailia hispida C
Raspailia ramosa O
Stelligera stuposa C
Polymastia boletiformis O
Cliona celata O
Hemimycale columella O
Hymedesmia jecusculum R
Myxilla fimbriata O
Myxilla incrustans R
Suberites carnosus R
Haliclona sp. R
CNIDARIA
Tubularia indivisa F
Halecium halecinum O
Diphasia alata O
Diphasia margareta R
Sertularella polyzonias R
Kirchenpaueria pinnata O
Nemertesia antennina C
Polyplumaria flabellata O
Aglaophenia tubulifera R
Alcyonium digitatum O
Virgularia mirabilis C
Synarachnactis lloydii R
Epizoanthus couchii R
Cylista elegans R
Actinothoe sphyrodeta O
Caryophyllia smithii A
Caryophyllia smithii O
ANNELIDA
Lanice conchilega O
Salmacina dysteri R
CRUSTACEA
Palinurus elephas O
MOLLUSCA
Polycera faeroensis O
Edmundsella pedata O
BRYOZOA
Flustra foliacea C
Securiflustra securifrons F
Cellaria fistulosa F
Porella compressa O
Pentapora foliacea F
ECHINODERMATA
Crossaster papposus R
Henricia oculata R
Marthasterias glacialis R
TUNICATA
Didemnum sp. F
Diazona violacea R
Ascidia mentula O
PISCES
Centrolabrus exoletus R

Biotope 2 : Wreck. Very tide-swept faunal communities.

PORIFERA
Eurypon sp. F
Hymedesmia paupertas F
CNIDARIA
Nemertesia antennina A
Alcyonium digitatum F
Metridium senile C
Metridium senile F
Caryophyllia smithii A
CRUSTACEA
Palinurus elephas R

Biotope 3 : Areas of muddy sand in the lee of the wreck with sea pens (Virgularia mirabilis) and many free-living cup corals at the surface of the gravel near the wreck. Sublittoral mixed sediment.

CNIDARIA
Virgularia mirabilis C
Synarachnactis lloydii C
ANNELIDA
Lanice conchilega O
ECHINODERMATA
Crossaster papposus R

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