MBDP-NI: Arkill Bay, Rathlin Island

Place name : Arkill Bay, Rathlin Island. County : Antrim

Date : 2025-08-10 GPS : 55.27621,-6.17561. Depth : -15.0 to -25.0 m. [ View map ]

Site Description : Mixed sediment with assortment of seaweeds.

Brown seaweed, Desmarestia dudresnayi, [00:00:32]; Beautiful eyelash weed, Calliblepharis ciliata, [00:01:26]; Sea beech, Delesseria sanguinea, [00:02:00]; Sea oak, Halidrys siliquosa, [00:02:23]; Beautiful fan weed, Metacallophyllis laciniata, [00:03:06]; Landlady's wig, Desmarestia aculeata, [00:03:14]; Two-spotted gobies, Pomatoschistus flavescens, [00:03:39]; Tassel weed, Carpomitra costata, [00:04:03]; Small-spotted catshark, Scyliorhinus canicular, [00:05:39]

Species list (34 species recorded):

Biotope 1 : Circalittoral mixed sediment.

CNIDARIA
Alcyonium digitatum R
Actinothoe sphyrodeta R
Calliactis palliata O
Caryophyllia smithii O
CRUSTACEA
Pagurus prideaux O
Galathea strigosa R
Macropodia sp. R
Necora puber R
MOLLUSCA
Facelina auriculata R
Pecten maximus R
Aequipecten opercularis R
BRYOZOA
Membranipora membranacea C
Electra pilosa O
Securiflustra securifrons R
Parasmittina trispinosa O
TUNICATA
Ascidia mentula R
PISCES
Scyliorhinus canicula R
Pomatoschistus flavescens F
RHODOPHYTA
Scinaia sp. R
Calliblepharis ciliata F
Metacallophyllis laciniata F
Kallymenia reniformis O
Stenogramma interruptum F
Heterosiphonia plumosa C
Acrosorium venulosum C
Delesseria sanguinea C
Nitophyllum punctatum O
CHROMOPHYTA
Carpomitra costata C
Desmarestia aculeata O
Desmarestia dresnayi C
Laminaria hyperborea F
Saccharina latissima F
Halidrys siliquosa F
CHLOROPHYTA
Ulva sp. O

Marine Biodiversity Data Portal - NI