burrowing anemone, ceriantheopsis austroafricanus. achmelvich bay, diving, scotland

achmelvich bay animalia anthozoa assynt ceriantharia ceriantheopsis austroafricanus cerianthidae cnidaria diving green water highland lochinver scotland spirularia sutherland active adventure animal beach burrowing anemone cold critter drysuit great britain marine biology invertebrate ocean sand sandy scuba sea life uk undersea underwater wildlife