MBDP-NI: Site details Arkill Bay, Rathlin Island.

Priority species

Arkill Bay, Rathlin Island.

Survey number: 550 Event number: 19840808/08 Date: 1984-08-08 GPS: 55.28133,-6.17250 [ View map ]

Site Description: Plain of smooth sand; some holes; brown diatom film on surface islands of bedrock and boulder; red epiphytes on kelp forest.

Species list (53 species recorded):

CNIDARIA
Obelia geniculata
Actinothoe sphyrodeta
Caryophyllia smithii
ANNELIDA
Pomatoceros triqueter
Spirorbis sp.
CRUSTACEA
Pandalus montagui
Pisidia longicornis
Necora puber
Xantho hydrophilus
Xantho pilipes
MOLLUSCA
Steromphala cineraria
Calliostoma zizyphinum
BRYOZOA
Crisia eburnea
Membranipora membranacea
Electra pilosa
ECHINODERMATA
Marthasterias glacialis
Echinus esculentus
TUNICATA
Didemnum sp.
PISCES
Conger conger
RHODOPHYTA
Bonnemaisonia asparagoides
Bonnemaisonia intricata
Palmaria palmata
Ahnfeltia plicata
Lithophyllum sp.
Cystoclonium purpureum
Rhodophyllis divaricata
Rhodophyllis werneri
Dilsea carnosa
Chondrus crispus
Metacallophyllis laciniata
Kallymenia reniformis
Phyllophora crispa
Sphaerococcus coronopifolius
Plocamium cartilagineum
Lomentaria articulata
Lomentaria orcadensis
Rhodymenia delicatula
Rhodymenia pseudopalmata
Ceramium sp.
Halurus flosculosus
Heterosiphonia plumosa
Acrosorium venulosum
Cryptopleura ramosa
Delesseria sanguinea
Hypoglossum hypoglossoides
Membranoptera alata
Nitophyllum punctatum
Phycodrys rubens
Brongniartella byssoides
Odonthalia dentata
CHROMOPHYTA
Dictyota dichotoma
Desmarestia aculeata
Laminaria hyperborea

No biotope record.

CNIDARIA
Obelia geniculata P
Actinothoe sphyrodeta P
Caryophyllia smithii P
ANNELIDA
Pomatoceros triqueter P
Spirorbis sp. P
CRUSTACEA
Pandalus montagui P
Pisidia longicornis P
Necora puber P
Xantho hydrophilus P
Xantho pilipes P
MOLLUSCA
Steromphala cineraria P
Calliostoma zizyphinum P
BRYOZOA
Crisia eburnea P
Membranipora membranacea P
Electra pilosa P
ECHINODERMATA
Marthasterias glacialis P
Echinus esculentus P
TUNICATA
Didemnum sp. P
PISCES
Conger conger P
RHODOPHYTA
Bonnemaisonia asparagoides P
Bonnemaisonia intricata P
Palmaria palmata P
Ahnfeltia plicata P
Lithophyllum sp. P
Cystoclonium purpureum P
Rhodophyllis divaricata P
Rhodophyllis werneri P
Dilsea carnosa P
Chondrus crispus P
Metacallophyllis laciniata P
Kallymenia reniformis P
Phyllophora crispa P
Sphaerococcus coronopifolius P
Plocamium cartilagineum P
Lomentaria articulata P
Lomentaria orcadensis P
Rhodymenia delicatula P
Rhodymenia pseudopalmata P
Ceramium sp. P
Halurus flosculosus P
Heterosiphonia plumosa P
Acrosorium venulosum P
Cryptopleura ramosa P
Delesseria sanguinea P
Hypoglossum hypoglossoides P
Membranoptera alata P
Nitophyllum punctatum P
Phycodrys rubens P
Brongniartella byssoides P
Odonthalia dentata P
CHROMOPHYTA
Dictyota dichotoma P
Desmarestia aculeata P
Laminaria hyperborea P