Fisheries

A NIWA researcher has found the first evidence that female deep sea sharks store sperm as a strategy to preserve the species and possibly avoid aggressive mating encounters.

Hoki is New Zealand's largest finfish fishery. Their eggs reveal a few secrets that surprise scientists.

Marine ecology technician Mark Fenwick takes us onboard a fishing vessel for a day of catch sampling.

This month-long fisheries trawl survey on the RV Tangaroa, aims to estimate the relative abundance of hoki, hake, ling and other middle depth fish species in the Southland and subantarctic areas.

A global survey involving 123 scientists from 58 nations raises concerns about the global status of reef sharks.

A six metre-long autonomous trimaran fitted out with a NIWA echosounder is being used as part of an innovative research collaboration.

Richard O'Driscoll is principal scientist and the program leader for stock assessment and monitoring.

Scientists are conducting snapper research off North Island’s west coast.

People along the Kapiti and Wanganui coast may spot NIWA’s research vessel Kaharoa operating close to shore in the next few weeks as scientists carry out a survey of snapper, tarakihi, red gurnard and John Dory.

A new study has identified seven freshwater species native to Aotearoa-New Zealand that will likely be highly or very highly vulnerable to climate change.

Hoki is New Zealand's largest finfish fishery. During this voyage, hoki eggs reveal a few secrets that surprise scientists.

NIWA scientists have made a breakthrough that may underpin expansion of the high-value New Zealand salmon farming industry.