Marine Biodiversity Data Portal - NI
Clachen Rock, Bull Point, Rathlin Island.
Survey number: 550 Event number: 19850904/04 Date: 1985-09-04 GPS: 55.29400,-6.29317 [ View map ]
Site Description: Shallow slope of boulders with cobbles and muddy gravel underneath. Some limestone bedrock and basalt towards south. Vertical faces undercut.
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Species list (80 species recorded):
PORIFERA
Oscarella sp.
Pachymatisma johnstonia
Axinella infundibuliformis
Stelligera stuposa
Polymastia boletiformis
Polymastia penicillus
Iophonopsis nigricans
Haliclona urceolus
Haliclona viscosa
CNIDARIA
Tubularia indivisa
Halecium halecinum
Abietinaria abietina
Diphasia rosacea
Sertularella gayi
Kirchenpaueria pinnata
Nemertesia antennina
Nemertesia ramosa
Schizotricha frutescens
Aglaophenia tubulifera
Obelia geniculata
Alcyonium digitatum
Actinothoe sphyrodeta
Corynactis viridis
Caryophyllia smithii
ANNELIDA
Myxicola infundibulum
Filograna implexa
CRUSTACEA
Palinurus elephas
Cancer pagurus
Xantho pilipes
MOLLUSCA
Steromphala cineraria
Calliostoma zizyphinum
Tritonia hombergii
Diaphorodoris luteocincta
Polycera faeroensis
Polycera quadrilineata
Cadlina laevis
Aeolidia papillosa
Aeolidiella glauca
Talochlamys pusio
Pododesmus patelliformis
BRYOZOA
Crisia eburnea
Securiflustra securifrons
Porella compressa
Parasmittina trispinosa
Omalosecosa ramulosa
ECHINODERMATA
Henricia oculata
Asterias rubens
Echinus esculentus
TUNICATA
Aplidium nordmanni
Ascidia mentula
Polycarpa pomaria
PISCES
Scyliorhinus canicula
Ctenolabrus rupestris
RHODOPHYTA
Bonnemaisonia asparagoides
Bonnemaisonia intricata
Lithophyllum sp.
Rhodophyllis divaricata
Rhodophyllis werneri
Halarachnion ligulatum
Metacallophyllis laciniata
Kallymenia reniformis
Schottera nicaeensis
Plocamium cartilagineum
Lomentaria orcadensis
Rhodymenia ardissonei
Rhodymenia pseudopalmata
Pterothamnion plumula
Heterosiphonia plumosa
Acrosorium venulosum
Cryptopleura ramosa
Delesseria sanguinea
Nitophyllum punctatum
Phycodrys rubens
Brongniartella byssoides
CHROMOPHYTA
Cutleria
Dictyopteris polypodioides
Dictyota dichotoma
Carpomitra costata
Desmarestia aculeata
Laminaria hyperborea
Oscarella sp.
Pachymatisma johnstonia
Axinella infundibuliformis
Stelligera stuposa
Polymastia boletiformis
Polymastia penicillus
Iophonopsis nigricans
Haliclona urceolus
Haliclona viscosa
CNIDARIA
Tubularia indivisa
Halecium halecinum
Abietinaria abietina
Diphasia rosacea
Sertularella gayi
Kirchenpaueria pinnata
Nemertesia antennina
Nemertesia ramosa
Schizotricha frutescens
Aglaophenia tubulifera
Obelia geniculata
Alcyonium digitatum
Actinothoe sphyrodeta
Corynactis viridis
Caryophyllia smithii
ANNELIDA
Myxicola infundibulum
Filograna implexa
CRUSTACEA
Palinurus elephas
Cancer pagurus
Xantho pilipes
MOLLUSCA
Steromphala cineraria
Calliostoma zizyphinum
Tritonia hombergii
Diaphorodoris luteocincta
Polycera faeroensis
Polycera quadrilineata
Cadlina laevis
Aeolidia papillosa
Aeolidiella glauca
Talochlamys pusio
Pododesmus patelliformis
BRYOZOA
Crisia eburnea
Securiflustra securifrons
Porella compressa
Parasmittina trispinosa
Omalosecosa ramulosa
ECHINODERMATA
Henricia oculata
Asterias rubens
Echinus esculentus
TUNICATA
Aplidium nordmanni
Ascidia mentula
Polycarpa pomaria
PISCES
Scyliorhinus canicula
Ctenolabrus rupestris
RHODOPHYTA
Bonnemaisonia asparagoides
Bonnemaisonia intricata
Lithophyllum sp.
Rhodophyllis divaricata
Rhodophyllis werneri
Halarachnion ligulatum
Metacallophyllis laciniata
Kallymenia reniformis
Schottera nicaeensis
Plocamium cartilagineum
Lomentaria orcadensis
Rhodymenia ardissonei
Rhodymenia pseudopalmata
Pterothamnion plumula
Heterosiphonia plumosa
Acrosorium venulosum
Cryptopleura ramosa
Delesseria sanguinea
Nitophyllum punctatum
Phycodrys rubens
Brongniartella byssoides
CHROMOPHYTA
Cutleria
Dictyopteris polypodioides
Dictyota dichotoma
Carpomitra costata
Desmarestia aculeata
Laminaria hyperborea
No biotope record.
PORIFERA
Oscarella sp. P
Pachymatisma johnstonia P
Axinella infundibuliformis P
Stelligera stuposa P
Polymastia boletiformis P
Polymastia penicillus P
Iophonopsis nigricans P
Haliclona urceolus P
Haliclona viscosa P
CNIDARIA
Tubularia indivisa P
Halecium halecinum P
Abietinaria abietina P
Diphasia rosacea P
Sertularella gayi P
Kirchenpaueria pinnata P
Nemertesia antennina P
Nemertesia ramosa P
Schizotricha frutescens P
Aglaophenia tubulifera P
Obelia geniculata P
Alcyonium digitatum P
Actinothoe sphyrodeta P
Corynactis viridis P
Caryophyllia smithii P
ANNELIDA
Myxicola infundibulum P
Filograna implexa P
CRUSTACEA
Palinurus elephas P
Cancer pagurus P
Xantho pilipes P
MOLLUSCA
Steromphala cineraria P
Calliostoma zizyphinum P
Tritonia hombergii P
Diaphorodoris luteocincta P
Polycera faeroensis P
Polycera quadrilineata P
Cadlina laevis P
Aeolidia papillosa P
Aeolidiella glauca P
Talochlamys pusio P
Pododesmus patelliformis P
BRYOZOA
Crisia eburnea P
Securiflustra securifrons P
Porella compressa P
Parasmittina trispinosa P
Omalosecosa ramulosa P
ECHINODERMATA
Henricia oculata P
Asterias rubens P
Echinus esculentus P
TUNICATA
Aplidium nordmanni P
Ascidia mentula P
Polycarpa pomaria P
PISCES
Scyliorhinus canicula P
Ctenolabrus rupestris P
RHODOPHYTA
Bonnemaisonia asparagoides P
Bonnemaisonia intricata P
Lithophyllum sp. P
Rhodophyllis divaricata P
Rhodophyllis werneri P
Halarachnion ligulatum P
Metacallophyllis laciniata P
Kallymenia reniformis P
Schottera nicaeensis P
Plocamium cartilagineum P
Lomentaria orcadensis P
Rhodymenia ardissonei P
Rhodymenia pseudopalmata P
Pterothamnion plumula P
Heterosiphonia plumosa P
Acrosorium venulosum P
Cryptopleura ramosa P
Delesseria sanguinea P
Nitophyllum punctatum P
Phycodrys rubens P
Brongniartella byssoides P
CHROMOPHYTA
Cutleria P
Dictyopteris polypodioides P
Dictyota dichotoma P
Carpomitra costata P
Desmarestia aculeata P
Laminaria hyperborea P
Oscarella sp. P
Pachymatisma johnstonia P
Axinella infundibuliformis P
Stelligera stuposa P
Polymastia boletiformis P
Polymastia penicillus P
Iophonopsis nigricans P
Haliclona urceolus P
Haliclona viscosa P
CNIDARIA
Tubularia indivisa P
Halecium halecinum P
Abietinaria abietina P
Diphasia rosacea P
Sertularella gayi P
Kirchenpaueria pinnata P
Nemertesia antennina P
Nemertesia ramosa P
Schizotricha frutescens P
Aglaophenia tubulifera P
Obelia geniculata P
Alcyonium digitatum P
Actinothoe sphyrodeta P
Corynactis viridis P
Caryophyllia smithii P
ANNELIDA
Myxicola infundibulum P
Filograna implexa P
CRUSTACEA
Palinurus elephas P
Cancer pagurus P
Xantho pilipes P
MOLLUSCA
Steromphala cineraria P
Calliostoma zizyphinum P
Tritonia hombergii P
Diaphorodoris luteocincta P
Polycera faeroensis P
Polycera quadrilineata P
Cadlina laevis P
Aeolidia papillosa P
Aeolidiella glauca P
Talochlamys pusio P
Pododesmus patelliformis P
BRYOZOA
Crisia eburnea P
Securiflustra securifrons P
Porella compressa P
Parasmittina trispinosa P
Omalosecosa ramulosa P
ECHINODERMATA
Henricia oculata P
Asterias rubens P
Echinus esculentus P
TUNICATA
Aplidium nordmanni P
Ascidia mentula P
Polycarpa pomaria P
PISCES
Scyliorhinus canicula P
Ctenolabrus rupestris P
RHODOPHYTA
Bonnemaisonia asparagoides P
Bonnemaisonia intricata P
Lithophyllum sp. P
Rhodophyllis divaricata P
Rhodophyllis werneri P
Halarachnion ligulatum P
Metacallophyllis laciniata P
Kallymenia reniformis P
Schottera nicaeensis P
Plocamium cartilagineum P
Lomentaria orcadensis P
Rhodymenia ardissonei P
Rhodymenia pseudopalmata P
Pterothamnion plumula P
Heterosiphonia plumosa P
Acrosorium venulosum P
Cryptopleura ramosa P
Delesseria sanguinea P
Nitophyllum punctatum P
Phycodrys rubens P
Brongniartella byssoides P
CHROMOPHYTA
Cutleria P
Dictyopteris polypodioides P
Dictyota dichotoma P
Carpomitra costata P
Desmarestia aculeata P
Laminaria hyperborea P
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