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

Antarctic toothfish stock assessment model - biomass trajectory

NIWA

Biomass trajectory from the model through time. The current status is indicated at the vertical line and the population biomass under current management rules is projected 35 years into the future to reach 50% of the initial level. The grey envelope indicates the 80% confidence interval.