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Place name : Allen Rock, The Maidens. County : Antrim

Date : 2024-05-12 GPS : 54.94989,-5.74162. Depth : -15.0 to -25.0 m. [ View map ]

Site Description : Circalittoral, tide-swept boulders surrounded by shelly gravel with pink coralline crusts and Tubularia indivisa and Alcyonium digitatum.

Sea urchin [00:00:26]; Oaten pipe hydroids [00:00:40]; soft coral, Alcyonium digitatum [00:00:49]; pink coralline algae [00:01:03]; mast of the wreck of the Albia [00:01:25]; Forest kelp Laminaria hyperborea [00:01:59]; Spiny starfish Marthasterias glacialis [00:02:27].

Biotope 1 : Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock. CR.HCR.FaT.CTub.Adig

PORIFERA
Dysidea fragilis O
Axinella infundibuliformis O
Raspailia hispida O
Raspailia ramosa O
Stelligera stuposa O
Hemimycale columella O
Hymedesmia jecusculum O
Hymedesmia paupertas O
Hymeniacidon simplicima O
Haliclona urceolus O
Haliclona urceolus O
CNIDARIA
Tubularia indivisa A
Ectopleura larynx F
Halecium halecinum O
Kirchenpaueria pinnata O
Nemertesia antennina F
Aglaophenia tubulifera O
Sarcodictyon catenatum O
Alcyonium digitatum C
Epizoanthus couchii O
Actinothoe sphyrodeta O
Hormathia coronata O
Caryophyllia smithii F
CRUSTACEA
Adna anglica O
MOLLUSCA
Calliostoma zizyphinum R
Doto pinnatifida O
Diaphorodoris luteocincta O
Polycera faeroensis O
Antiopella cristata O
Coryphella browni R
Coryphella browni R
Coryphella lineata O
Coryphella verrucosa R
Edmundsella pedata O
BRYOZOA
Crisia denticulata O
Crisia eburnea F
Flustra foliacea O
Bicellariella ciliata O
Cellaria fistulosa O
Parasmittina trispinosa O
ECHINODERMATA
Henricia oculata O
Asterias rubens O
Marthasterias glacialis O
Echinus esculentus O
TUNICATA
Clavelina lepadiformis O
Aplidium nordmanni O
PISCES
Ctenolabrus rupestris O
RHODOPHYTA
Plocamium lyngbyanum R
Heterosiphonia plumosa O
Delesseria sanguinea O

Biotope 2 : Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock. IR.HIR.KFaR.LhypR.Pk

PORIFERA
Haliclona urceolus O
CNIDARIA
Tubularia indivisa C
Obelia geniculata F
Alcyonium digitatum O
Cylista elegans R
Caryophyllia smithii O
BRYOZOA
Membranipora membranacea F
ECHINODERMATA
Marthasterias glacialis O
PISCES
Labrus bergylta R
RHODOPHYTA
Delesseria sanguinea C
CHROMOPHYTA
Laminaria hyperborea C

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