That is why we fear her so greatly." This story filled Ozma's heart with sorrow and Dorothy's heart with indignation.
"I now understand," said Ozma, "why the fishes in the lake have brought about war between the Skeezers and the Flatheads." "Yes," Lady Aurex answered, "now that you know the story it is easy to understand.

The Su-dic and his wife came to our lake hoping to catch the silver fish, or gold fish, or bronze fish--any one of them would do--and by destroying it deprive Coo-ee-oh of her magic.

Then they could easily conquer her.

Also they had another reason for wanting to catch the fish--they feared that in some way the three Adepts might regain their proper forms and then they would be sure to return to the mountain and punish Rora and the Su-dic.

That was why Rora finally tried to poison all the fishes in the lake, at the time Coo-ee-oh transformed her into a Golden Pig.