On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

A large migrant eel exits the bypass onto stainless steel chute at Wairere Falls Power Station.jpg

A large migrant eel exits the bypass onto stainless steel chute at Wairere Falls Power Station. This photo is provided by the remote camera system that records the passage of migrant eels through the chute. Credit: King Country Energy and NIWA