Jataka 517
Dakarakkhasa Jātaka
The Water Demon
as told by Eric Van Horn
originally translated by H.T. Francis and R.A. Neil, Cambridge University
originally edited by Professor Edward Byles Cowell, Cambridge University
Another curious placeholder... In Jātaka 546, this story is the final one. It is called “The Question of the Water Demon.”
All of this will be set forth in the Mahāummagga Birth (Jātaka 546).