MBDP-NI: Site details W of Derginan Point, Rathlin Island.

Priority species

W of Derginan Point, Rathlin Island.

Survey number: 550 Event number: 19850904/05 Date: 1985-09-04 GPS: 55.30600,-6.27400. Depth: -24.0 to -25.0 m. [ View map ]

Site Description: Boulder slope at the top of cliff with thin kelp forest and dense cover of red algae particulary Delesseria.

Species list (69 species recorded):

PORIFERA
Halisarca dujardinii
Dysidea fragilis
Pachymatisma johnstonia
Axinella infundibuliformis
Raspailia hispida
Raspailia ramosa
Stelligera montagui
Stelligera stuposa
Polymastia boletiformis
Tethya citrina
Iophon hyndmani
Myxilla incrustans
Halichondria panicea
Spongosorites calcicola
Suberites carnosus
Haliclona sp.
CNIDARIA
Abietinaria abietina
Nemertesia antennina
Aglaophenia tubulifera
Gymnangium montagui
Obelia geniculata
Alcyonium digitatum
Parazoanthus anguicomus
Actinothoe sphyrodeta
Corynactis viridis
Caryophyllia smithii
CRUSTACEA
Palinurus elephas
Cancer pagurus
MOLLUSCA
Calliostoma zizyphinum
Okenia nodosa
BRYOZOA
Membranipora membranacea
Electra pilosa
Crisularia plumosa
Caberea ellisii
Cellaria fistulosa
ECHINODERMATA
Antedon bifida
Henricia oculata
Asterias rubens
Marthasterias glacialis
Echinus esculentus
TUNICATA
Polyclinum aurantium
Didemnum sp.
Ascidia mentula
Botryllus schlosseri
RHODOPHYTA
Bonnemaisonia asparagoides
Calliblepharis ciliata
Rhodophyllis divaricata
Rhodophyllis werneri
Halarachnion ligulatum
Metacallophyllis laciniata
Kallymenia reniformis
Phyllophora crispa
Schottera nicaeensis
Plocamium cartilagineum
Lomentaria orcadensis
Rhodymenia ardissonei
Compsothamnion thuyoides
Heterosiphonia plumosa
Acrosorium venulosum
Apoglossum ruscifolium
Cryptopleura ramosa
Delesseria sanguinea
Drachiella heterocarpa
Phycodrys rubens
Brongniartella byssoides
Odonthalia dentata
CHROMOPHYTA
Dictyopteris polypodioides
Dictyota dichotoma
Laminaria hyperborea

No biotope record.

PORIFERA
Halisarca dujardinii P
Dysidea fragilis P
Pachymatisma johnstonia P
Axinella infundibuliformis P
Raspailia hispida P
Raspailia ramosa P
Stelligera montagui P
Stelligera stuposa P
Polymastia boletiformis P
Tethya citrina P
Iophon hyndmani P
Myxilla incrustans P
Halichondria panicea P
Spongosorites calcicola P
Suberites carnosus P
Haliclona sp. P
CNIDARIA
Abietinaria abietina P
Nemertesia antennina P
Aglaophenia tubulifera P
Gymnangium montagui P
Obelia geniculata P
Alcyonium digitatum P
Parazoanthus anguicomus P
Actinothoe sphyrodeta P
Corynactis viridis P
Caryophyllia smithii P
CRUSTACEA
Palinurus elephas P
Cancer pagurus P
MOLLUSCA
Calliostoma zizyphinum P
Okenia nodosa P
BRYOZOA
Membranipora membranacea P
Electra pilosa P
Crisularia plumosa P
Caberea ellisii P
Cellaria fistulosa P
ECHINODERMATA
Antedon bifida P
Henricia oculata P
Asterias rubens P
Marthasterias glacialis P
Echinus esculentus P
TUNICATA
Polyclinum aurantium P
Didemnum sp. P
Ascidia mentula P
Botryllus schlosseri P
RHODOPHYTA
Bonnemaisonia asparagoides P
Calliblepharis ciliata P
Rhodophyllis divaricata P
Rhodophyllis werneri P
Halarachnion ligulatum P
Metacallophyllis laciniata P
Kallymenia reniformis P
Phyllophora crispa P
Schottera nicaeensis P
Plocamium cartilagineum P
Lomentaria orcadensis P
Rhodymenia ardissonei P
Compsothamnion thuyoides P
Heterosiphonia plumosa P
Acrosorium venulosum P
Apoglossum ruscifolium P
Cryptopleura ramosa P
Delesseria sanguinea P
Drachiella heterocarpa P
Phycodrys rubens P
Brongniartella byssoides P
Odonthalia dentata P
CHROMOPHYTA
Dictyopteris polypodioides P
Dictyota dichotoma P
Laminaria hyperborea P