Quite large (the one mid slightly up from centre). Looks to be about 75mm long. In a sea Loch (Loch Roag, Isle of Lewis)
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as this has been id'd as a sea anemone (which is an invertebrate, it shouldn't really be in other organisms any more. To change it's group to invertebrates you find it in myspot, select it, click edit & then change the group from 'other organisms' to 'invertebrates'.
Lat/Lng: 58.2015, -6.9526
OS grid ref: NB091343