MBDP-NI: Site details E Basin between Slave Rk & South Rk, Strangford Lough

E Basin between Slave Rk & South Rk, Strangford Lough

Survey number: 561 Event number: 20030724/01 Date: 2003-07-24 GPS: 54.46575,-5.57078. Depth: 25.6 m. [ View map ]

Site Description: Mud with dead shell.

Species list (34 species recorded):

Biotope 1 : Mud, muddy sand with dead shell. Large algae - Laminaria saccharina. Scattered shells. Significant algal cover. Many hydroids.

CNIDARIA
Obelia geniculata C
ANNELIDA
Terebellidae sp. R
CRUSTACEA
Balanus crenatus R
Nephrops norvegicus O
Pagurus bernhardus R
Macropodia rostrata R
Polybius depurator O
ECHINODERMATA
Antedon bifida O
Asterias rubens R
PISCES
Pomatoschistus pictus O
CHROMOPHYTA
Chorda filum O
Saccharina latissima F

Biotope 1 : Very soft mud with occasional large unbroken dead shell. Occasional Nephrops norvegicus burrows towards end of dive.

PORIFERA
Stelligera stuposa R
Polymastia boletiformis R
Amphilectus fucorum F
Suberites carnosus O
CNIDARIA
Halecium halecinum O
Hydrallmania falcata F
Kirchenpaueria pinnata O
Nemertesia antennina O
Nemertesia ramosa O
Synarachnactis lloydii O
Epizoanthus couchii F
Cylista elegans O
PLATYHELMINTHES
Prostheceraeus vittatus R
ANNELIDA
Terebellidae sp. R

Biotope 2 : Shelly mud. Numbers of Asterias rubens and Polybius depurator (as Liocarcinus depurator), but not clear what these were feeding on.

CRUSTACEA
Balanus crenatus O
Pagurus bernhardus O
Hyas araneus O
Inachus dorsettensis F
Cancer pagurus R
Polybius depurator C
Carcinus maenas O
MOLLUSCA
Pecten maximus O
ECHINODERMATA
Antedon bifida O
Crossaster papposus O
Henricia oculata O
Asterias rubens C
PISCES
Callionymus lyra R
Gobius niger R
Pomatoschistus pictus O