Artificial intelligent assistant

pelagious

peˈlagious, a. Obs.
  [f. L. pelagi-us (see pelagial) + -ous.]
  = pelagic.

1661 Lovell Hist. Anim. & Min. Introd., Fishes, which are, I. Marine, and these are either pelagious, living in the main sea,..or littoral. 1857 Mayne Expos. Lex., Pelagius,..of swimming birds, comprehending those that frequent the sea, where they find their food: pelagious.

Oxford English Dictionary

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