MBDP-NI: W of West Maiden, The Maidens

Place name : W of West Maiden, The Maidens. County : Antrim

Date : 2024-08-01 GPS : 54.92965,-5.74058. Depth : -15.0 to -35.0 m. [ View map ]

Site Description : Circalittoral tide-swept bedrock and boulders with abundant Caryophyllia smithii cup corals and Tubularia indivisa.

Diphasia alata and Diphasia fallax hydroids [00:00:45]; Devonshire cup corals Caryophyllia smithii [00:00:47]; Soft coral, dead mens' fingers Alcyonium digitatum [00:00:53]; Nemertesia antennina, Nemertesia ramosa and Diphasia alata hydroids [00:02:10]; Sea beech red seaweed Delesseria sanguinea [00:04:01]; Finger bryozoan Alcyonidium diaphanum [00:04:19]; Twin fan worm Bispira volutacornis [00:04:41]; Yellow feathers hydroid Aglaophenia tubulifera [00:05:05]; Tassel weed Carpomitra costata [00:05:51]; Forest kelp Laminaria hyperborea [00:08:32].

Species list (68 species recorded):

PORIFERA
Sycon ciliatum
Aplysilla sulfurea
Spongionella pulchella
Dysidea fragilis
Pachymatisma johnstonia
Axinella infundibuliformis
Raspailia hispida
Stelligera stuposa
Polymastia boletiformis
Lissodendoryx jenjonesae
Hemimycale columella
Hymedesmia jecusculum
Hymedesmia paupertas
Hymedesmia stellifera
Myxilla fimbriata
Haliclona urceolus
Haliclona viscosa
CNIDARIA
Tubularia indivisa
Ectopleura larynx
Diphasia alata
Diphasia fallax
Sertularia argentea
Antennella secundaria
Halopteris catharina
Nemertesia antennina
Nemertesia ramosa
Polyplumaria flabellata
Aglaophenia tubulifera
Obelia geniculata
Sarcodictyon catenatum
Alcyonium digitatum
Synarachnactis lloydii
Actinothoe sphyrodeta
Caryophyllia smithii
PLATYHELMINTHES
Prostheceraeus vittatus
ANNELIDA
Chaetopterus sp.
Bispira volutacornis
CRUSTACEA
Adna anglica
MOLLUSCA
Acanthodoris pilosa
Polycera kernowensis
Limacia clavigera
BRYOZOA
Crisia eburnea
Alcyonidium diaphanum
Membranipora membranacea
Parasmittina trispinosa
Schizomavella linearis
Omalosecosa ramulosa
ECHINODERMATA
Henricia oculata
Asterias rubens
Marthasterias glacialis
Echinus esculentus
TUNICATA
Clavelina lepadiformis
Ascidia mentula
Ascidia virginea
Polycarpa pomaria
PISCES
Ctenolabrus rupestris
Thorogobius ephippiatus
RHODOPHYTA
Dilsea carnosa
Metacallophyllis laciniata
Kallymenia reniformis
Plocamium sp.
Rhodymenia ardissonei
Heterosiphonia plumosa
Acrosorium venulosum
Cryptopleura ramosa
Delesseria sanguinea
CHROMOPHYTA
Carpomitra costata
Laminaria hyperborea

Biotope 1 : Alcyonium digitatum with dense Tubularia indivisa and anemones on strongly tide-swept circalittoral rock.

PORIFERA
Sycon ciliatum O
Aplysilla sulfurea R
Spongionella pulchella P
Dysidea fragilis R
Pachymatisma johnstonia R
Axinella infundibuliformis F
Raspailia hispida F
Stelligera stuposa F
Polymastia boletiformis F
Lissodendoryx jenjonesae R
Hemimycale columella O
Hymedesmia jecusculum R
Hymedesmia paupertas R
Hymedesmia stellifera R
Myxilla fimbriata R
Haliclona urceolus R
Haliclona viscosa R
CNIDARIA
Tubularia indivisa S
Ectopleura larynx F
Diphasia alata C
Diphasia fallax A
Sertularia argentea R
Antennella secundaria R
Halopteris catharina O
Nemertesia antennina C
Nemertesia ramosa O
Polyplumaria flabellata C
Aglaophenia tubulifera F
Sarcodictyon catenatum R
Alcyonium digitatum C
Synarachnactis lloydii R
Actinothoe sphyrodeta R
Caryophyllia smithii S
PLATYHELMINTHES
Prostheceraeus vittatus R
ANNELIDA
Chaetopterus sp. R
Bispira volutacornis R
CRUSTACEA
Adna anglica R
MOLLUSCA
Acanthodoris pilosa R
Polycera kernowensis R
Limacia clavigera R
BRYOZOA
Crisia eburnea F
Alcyonidium diaphanum O
Parasmittina trispinosa R
Schizomavella linearis R
Omalosecosa ramulosa R
ECHINODERMATA
Henricia oculata R
Asterias rubens R
Marthasterias glacialis R
Echinus esculentus O
TUNICATA
Clavelina lepadiformis O
Ascidia mentula R
Ascidia virginea R
Polycarpa pomaria O
PISCES
Ctenolabrus rupestris R
Thorogobius ephippiatus R
RHODOPHYTA
Dilsea carnosa R
Kallymenia reniformis R
Plocamium sp. R
Rhodymenia ardissonei R
Heterosiphonia plumosa R
Delesseria sanguinea R
CHROMOPHYTA
Carpomitra costata R

Biotope 2 : Laminaria hyperborea park with dense foliose red seaweeds on exposed lower infralittoral rock.

CNIDARIA
Tubularia indivisa A
Obelia geniculata F
Alcyonium digitatum F
Actinothoe sphyrodeta O
Caryophyllia smithii F
BRYOZOA
Membranipora membranacea F
ECHINODERMATA
Echinus esculentus R
RHODOPHYTA
Metacallophyllis laciniata O
Kallymenia reniformis O
Heterosiphonia plumosa C
Acrosorium venulosum O
Cryptopleura ramosa F
Delesseria sanguinea O
CHROMOPHYTA
Laminaria hyperborea C

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