November 27, 2025
**This story first appeared in the October 2025 edition of AMT Magazine** Beloved by sushi chefs and recreational fishers alike, the Kingfish – also known as the Yellowtail, Haku or Kingi – attracts market prices comparable to salmon and is found in plentiful numbers off the coast of Australia and New Zealand. For the team at New Zealand public research organisation the National Institute of Water and Atmospheric Research – today known as Earth Sciences New Zealand (ESNZ) – the fish is also an ideal candidate for commercial farming. Of course, New Zealand is far from the only nation developing markets for the fish, with hatchery production now well established in Australia, the Netherlands, Denmark, Chile, and Mexico. Until recently, ESNZ said, most on-growing of the fingerlings born in these commercial hatcheries was done in sea-cages, until the fish reached their market size of 3kg. But to truly take advantage of what it saw as a lucrative opportunity, the team at ESNZ worked on technology to support commercial-scale hatchery production in a land-based recirculating…

















