A tāniwha, or water monster, and a notorious man-eater, that once lived in the Wanganui river. It was killed by the magician-hero Ao-kehu, who was swallowed down, but cut his way out with an enchanted weapon named Taitimuroa.
- Kauika, Wiremu. (1904). "Tutae-Poroporo, the Taniwha Slain by Ao-Kehu at Whanganui." Journal of the Polynesian Society 13:94-98.
- Tregear, Edward. (1891). Maori-Polynesian Comparative Dictionary. Wellington: Government Printer, p. 566.