In relation to the recent discovery of the body found in the Central Otago Clutha River, Ngai Tahu have put in place a rāhui on the Clutha River / Mata-Au for a period of seven days

The rāhui began Monday November 22 and will extend until Monday to November 29, encompassing the river from the Clyde Bridge through to the Roxburgh Dam. 

This encompasses no taking of kai moana, fishing, or swimming.

In Māori culture, a rāhui is a form of tapu restricting access to, or use of, an area or resource by the kaitiakitanga of the area.

Rāhui may be imposed for many reasons, including a perceived need for conservation of food resources or because the area concerned is in a state of 'tapu', due, for example, to a recent death in the area, out of respect for the dead and to prevent the gathering of food there for a specified period. 

Rāhui may be placed on land, sea, rivers, forests, gardens, fishing grounds, and other food resources.