Niho Taniwha has been identified as a pattern of Te Arawa and Waikato iwi. The teeth-like triangular shapes of niho taniwha are 'dragon's' teeth; they are usually arranged in vertical rows with the apex at the top.
This page reproduces information from page 28 of the booklet Pūawaitanga o te Ringa - Fruits of our busy hands
These panels are on display at Waruwarutū, Tuakiri | Identity, Level 2, Tūranga.