cerith sand sea snail - cerithium caeruleum

aegean animal aquaria aquarium aquatic aquatica beach beautiful bicarinatum biology caeruleum care cerith cerithiidae cerithium clean cleaner closeup cockleshell creature crew decoration exotic fauna gastropod invertebrate invertebrates isolated macro marine mediterranean mollusc mollusk ocean oceanic organism photography reef reefer refugium renovatum saltwater sand scene scenic sea sealife seashell seawater shell snail spiral tank tropical undersea underwater vulgatum water world