Deep-sea seven-arm octopus hijacks jellyfish in shallow waters Rosa, Rui ; Kelly, Jesse T. ; Lopes, Vanessa M. ; Paula, José R. ; Gonçalves, João ; Calado, Ricardo ; Norman, Mark D. ; Barreiros, João P. Abstract Publication: Marine Biodiversity Pub Date: February 2019 DOI: 10.1007/s12526-017-0767-3 Bibcode: 2019MarBd..49..495R