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

Using a backpack electric fishing machine (EFM300) to sample the Utakura River

Josh Smith and Erica Williams sampling the Utakura River with a backpack electric fishing machine. You can see what they caught in Williams et al. (2009) - Tuna population survey of Lake Ōmāpere and the Utakura River. Credit: Wakaiti Dalton