Octopus, (Octopus vulgaris) seeking help from a bigger octopus after being attacked by a Bearded fireworm (Hermodice carunculata) top of the wall of Bisevo, Vis Island, Croatia, Adriatic Sea, Mediterranean  ,  Animal,Wildlife,Mollusc,Cephalopod,Octopus,Common octopus,Annelid,Polychaete,Fireworm,Animalia,Animal,Wildlife,Mollusca,Mollusc,Cephalopoda,Cephalopod,Octopoda,Octopus,Octopodidae,Octopus vulgaris,Common octopus,Octopus albus,Octopus cassiopeiea,Octopus heteropus,Annelida,Annelid,Annelid worms,Polychaeta,Polychaete,Bristleworm,Bristle worm,Amphinomida,Amphinomidae,Hermodice,Hermodice carunculata,Fireworm,Amphibranchus occidentalis,Aphrodita caruculata,Pleione carunculata,Europe,Southern Europe,Croatia,Seabed,Mediterranean Sea,Adriatic Sea,Adriatic,Marine,Underwater,Water,Animal Behaviour,Aggression,Fighting,Temperate,Behaviour,Saltwater,Sea,Mediterranean Basin,Mediterranean,Biodiversity hotspot,Interesting,Vis Island,Behavioural,Invertebrate,Invertebrates,Marine  ,  Franco  Banfi