Gubastuckaun, Broadhaven.
Subsite name: Lower circalittoral bedrock with Securiflustra securifrons.
Surveyors: Bernard Picton
| Phylum | Species | Abundance |
| PORIFERA | Dysidea fragilis | occasional |
| PORIFERA | Haliclona viscosa | occasional |
| PORIFERA | Axinella dissimilis | occasional |
| PORIFERA | Axinella infundibuliformis | occasional |
| PORIFERA | Raspailia hispida | frequent |
| PORIFERA | Raspailia ramosa | occasional |
| PORIFERA | Stelligera stuposa | frequent |
| PORIFERA | Polymastia agglutinans | occasional |
| PORIFERA | Polymastia boletiformis | frequent |
| PORIFERA | Polymastia penicillus | frequent |
| PORIFERA | Hemimycale columella | occasional |
| PORIFERA | Hymedesmia paupertas | frequent |
| PORIFERA | Mycale rotalis | occasional |
| PORIFERA | Myxilla incrustans | occasional |
| PORIFERA | Myxilla rosacea | occasional |
| PORIFERA | Cliona celata | occasional |
| PORIFERA | Tethya citrina | frequent |
| PORIFERA | Protosuberites incrustans | occasional |
| PORIFERA | Suberites | present |
| CNIDARIA | Diphasia rosacea | occasional |
| CNIDARIA | Sertularella gayi | frequent |
| CNIDARIA | Sertularella polyzonias | occasional |
| CNIDARIA | Tamarisca tamarisca | frequent |
| CNIDARIA | Nemertesia antennina | frequent |
| CNIDARIA | Nemertesia ramosa | occasional |
| CNIDARIA | Alcyonium digitatum | common |
| CNIDARIA | Alcyonium glomeratum | frequent |
| CNIDARIA | Urticina felina | frequent |
| CNIDARIA | Metridium dianthus | occasional |
| CNIDARIA | Corynactis viridis | frequent |
| CNIDARIA | Caryophyllia smithii | abundant |
| ANNELIDA | Chaetopterus variopedatus | occasional |
| CRUSTACEA | Palinurus elephas | occasional |
| CRUSTACEA | Cancer pagurus | occasional |
| CRUSTACEA | Necora puber | occasional |
| MOLLUSCA | Calliostoma zizyphinum | occasional |
| MOLLUSCA | Crimora papillata | occasional |
| MOLLUSCA | Polycera faeroensis | occasional |
| MOLLUSCA | Cadlina laevis | occasional |
| MOLLUSCA | Edmundsella pedata | occasional |
| MOLLUSCA | Eubranchus pallidus | occasional |
| MOLLUSCA | Favorinus blianus | occasional |
| BRYOZOA | Crisia denticulata | occasional |
| BRYOZOA | Crisia eburnea | occasional |
| BRYOZOA | Flustra foliacea | occasional |
| BRYOZOA | Securiflustra securifrons | common |
| BRYOZOA | Crisularia plumosa | occasional |
| BRYOZOA | Scrupocellaria scruposa | occasional |
| BRYOZOA | Cellaria sinuosa | occasional |
| BRYOZOA | Porella compressa | frequent |
| BRYOZOA | Pentapora foliacea | frequent |
| BRYOZOA | Schizomavella linearis | frequent |
| BRYOZOA | Cellepora pumicosa | occasional |
| ECHINODERMATA | Antedon bifida | occasional |
| ECHINODERMATA | Luidia ciliaris | occasional |
| ECHINODERMATA | Asterias rubens | occasional |
| ECHINODERMATA | Marthasterias glacialis | occasional |
| ECHINODERMATA | Echinus esculentus | common |
| ECHINODERMATA | Holothuria forskali | frequent |
| ECHINODERMATA | Aslia lefevrei | occasional |
| TUNICATA | Aplidium nordmanni | occasional |
| PISCES | Molva molva | occasional |
| PISCES | Trisopterus minutus | frequent |
| PISCES | Taurulus bubalis | occasional |
| PISCES | Ctenolabrus rupestris | frequent |
| PISCES | Labrus bergylta | common |
| PISCES | Labrus mixtus | common |