Wikipedia
Ruatapu
In Māori tradition, Ruatapu was the second son of the great chief Uenuku, who belittled him for using the sacred comb of his elder brother, Kahutia-te-rangi. As revenge, Ruatapu enticed the children of the nobility into his canoe, sailed them in the ocean, and then sank it (Craig 1989:237). Kahutia-te-rangi survived with the help of a whale and was thereafter known as Paikea (Reedy 1993:142-146).
Meanwhile, Ruatapu convinced the gods of the tides to destroy the land and its inhabitants. Paikea fled to high ground and was saved through the intervention of the goddess Moa-kura-manu. One version of the myth holds that Ruatapu drowned in the flood and that her bowels became the first jellyfish (Craig 1989:237, Reedy 1989:142-146).