Irish Nudibranchs & Sea Slugs

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Cuthona nanaCuthona nana (Alder & Hancock, 1842)
Location:
Killary Fjord, Connemara, Ireland
Approx size:
8 mm
Depth:
9 metres
Date:
20 July, 2015
Other info:
With the hydroid Hydractinia echinata on a hermit crab shell.