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Place name : White Cliffs, Rathlin Island. County : Antrim

Date : 2025-07-29 GPS : 55.29231,-6.24243. Depth : -15.0 to -25.0 m. [ View map ]

Site Description : Circalittoral tide-swept mixed sediment (coarse sand, gravel and cobbles) on a flat seabed, mixed kelps with foliose red algae at shallower depths.

Common Urchin, Echinus esculentus, [00:00:25]; Antenna hydroid, Nemertesia antennina, [00:00:52]; Netted wing weed, Dictyopteris polypodioides, [00:01:19]; Small-spotted catshark, Scyliorhinus canicula, [00:01:41]; King scallop, Pecten maximus, [00:02:02]; Hedgehog sponge, Polymastia boletiformis, [00:02:10]; Prideaux's hermit crab, Pagurus prideaux, [00:02:51]; Sea pen, Virgularia mirabilis, [00:05:14]; Branching sponge, Stelligera stuposa, [00:06:28]; File shell, Limaria hians, [00:06:37]; Encrusting sponge, Iophon hyndmanni, [00:07:56]; Rose coral bryozoan, Pentopora foliacea, [00:08:03]; Nudibranch, Crimora papillata, on hornwrack, Flustra folicea, [00:08:17]; Cuckoo wrasse, Labrus mixtus, [00:09:18]; Sugar kelp, Saccaharina latissima, [00:11:17]; Berry wart cress, Sphaerococcus coronopifolius, [00:11:35]; Furbellows, Saccorhiza polyschides, [00:12:10]; Sea lettuce, Ulva sp., [00:12:27]; Brown fan weed, Dictyota dichotoma, [00:12:37]

Biotope 1 : Circalittoral mixed sediment

PORIFERA
Axinella infundibuliformis R
Raspailia hispida R
Stelligera stuposa C
Polymastia boletiformis O
Iophon hyndmani C
Suberites sp. R
Haliclona urceolus R
CNIDARIA
Halecium halecinum R
Abietinaria abietina R
Sertularella gayi R
Antennella secundaria R
Nemertesia antennina C
Nemertesia ramosa O
Aglaophenia tubulifera C
Alcyonium digitatum F
Virgularia mirabilis R
Calliactis palliata R
Caryophyllia smithii C
PLATYHELMINTHES
Prostheceraeus vittatus R
CRUSTACEA
Pagurus prideaux R
Inachus sp. R
MOLLUSCA
Crimora papillata R
Limaria hians R
Pecten maximus O
BRYOZOA
Crisia denticulata F
Alcyonidium diaphanum O
Membranipora membranacea F
Flustra foliacea F
Crisularia plumosa P
Cellaria sp. C
Pentapora foliacea R
Parasmittina trispinosa O
ECHINODERMATA
Henricia oculata R
Marthasterias glacialis R
Echinus esculentus O
TUNICATA
Clavelina lepadiformis R
Ascidia mentula O
PISCES
Scyliorhinus canicula R
Centrolabrus exoletus R
Ctenolabrus rupestris R
Labrus bergylta R
Labrus mixtus R
Thorogobius ephippiatus R
RHODOPHYTA
Calliblepharis ciliata P
Metacallophyllis laciniata P
Kallymenia reniformis P
Heterosiphonia plumosa O
Acrosorium venulosum P
Delesseria sanguinea C
CHROMOPHYTA
Dictyopteris polypodioides C
Dictyota dichotoma F
Saccharina latissima C

Biotope 2 : Mixed kelp with foliose red seaweeds (Kelp and red seaweeds (moderate energy infralittoral rock)

RHODOPHYTA
Dilsea carnosa R
Sphaerococcus coronopifolius P
CHROMOPHYTA
Dictyota dichotoma C
Laminaria hyperborea P
Saccorhiza polyschides C
Halidrys siliquosa R
CHLOROPHYTA
Ulva sp. C

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