PELAGIC

pe ‧ lag ‧ ic /pəˈlædʒɪk, pɪˈlædʒɪk/ BrE AmE adjective technical

[ Date: 1600-1700 ; Language: Latin ; Origin: pelagicus , from Greek , from pelagos 'sea' ]

relating to or living in the deep sea, far from shore:

pelagic fish