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

Relativemeancatch-snapper-Tonga-NIWA.jpg

NIWA

Relative mean catch rates (kg per day) in the deepwater snapper fishery at 0.1o resolution in the Tonga EEZ. Scaled from low catch rates (light blue) to high catch rates (dark blue). Green, indicates land. Depth contours at 100, 250, and 1000 m.