Crossword clues for Prey upon. 9 letters:DEPREDATEPrey upon.PREDATORYPreying upon other organismsINCUBIDemons that prey upon sleepersDEPREDATINGPreying upon.APEXPREDATORAnimal that isn't preyed upon, and a hint to the first four letters of 4-, 9- and 21-DownEATSATPreys upon