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Place name : Damicornis Bay, Rathlin Island. County : Antrim

Date : 2024-05-06 GPS : 55.29139,-6.25205. Depth : -20.0 to -30.0 m. [ View map ]

Site Description : Boulders with diverse sponges and hydroids embedded in mixed sediment.

Circalittoral stable boulders in tidal stream eddies. Crumpled duster sponge 'Axinella' damicornis [00:00:27]; Branched sponge Stelligera stuposa [00:00:30]; Hydroids Halecium halecinum [00:01:14]; solitary sea squirt Ascidia mentula [00:01:21]; Sea urchin Echinus esculentus [00:01:37]; Cup sponge Axinella infundibuliformis [00:01:49]; Branched sponge Stelligera stuposa [00:01:55]; Antenna hydroid Nemertesia antennina [00:02:37]; Blue sponge Hymedesmia paupertas [00:02:55]; Rose coral Pentapora foliacea [00:04:01]; Staghorn sponge Axinella dissimilis [00:04:42]; Hedgehog sponge Polymastia boletiformis [00:05:57]; Football ascidian Diazona violacea [00:07:08].

Biotope 1 : Circalittoral stable boulders embedded in mixed sediment in occasionally strong tidal streams. High energy circalittoral rock.

PORIFERA
Sycon ciliatum O
Dysidea fragilis R
Pachymatisma johnstonia R
Axinella damicornis F
Axinella dissimilis R
Axinella infundibuliformis P
Raspailia hispida O
Stelligera stuposa C
Polymastia boletiformis O
Tethya citrina R
Hemimycale columella O
Hymedesmia jecusculum R
Hymedesmia paupertas O
Hymedesmia rathlinia R
Hymeniacidon simplicima R
Haliclona urceolus R
CNIDARIA
Halecium halecinum F
Diphasia alata R
Sertularella sp. R
Tamarisca tamarisca R
Halopteris catharina R
Kirchenpaueria pinnata O
Nemertesia antennina C
Aglaophenia tubulifera O
Caryophyllia smithii P
ANNELIDA
Sabella pavonina R
BRYOZOA
Crisia eburnea P
Plagioecia patina R
Vesicularia spinosa R
Cellaria fistulosa P
Porella compressa R
Pentapora foliacea R
Parasmittina trispinosa F
ECHINODERMATA
Porania pulvillus R
Marthasterias glacialis R
Echinus esculentus O
TUNICATA
Clavelina lepadiformis P
Synoicum pulmonaria O
Sidnyum turbinatum O
Diazona violacea R
Ascidia mentula O
Polycarpa pomaria R
RHODOPHYTA
Rhodophyllis divaricata O
Meredithia microphylla O
Delesseria sanguinea F
CHROMOPHYTA
Halopteris filicina R

Biotope 2 : Foliose red seaweeds on exposed lower infralittoral rock.

CNIDARIA
Caryophyllia smithii F
ECHINODERMATA
Echinus esculentus R
RHODOPHYTA
Dilsea carnosa O
Heterosiphonia plumosa O
Delesseria sanguinea F
CHROMOPHYTA
Laminaria hyperborea O
Saccharina latissima F

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