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Determining the age of fish
Research ProjectNIWA expends considerable effort on determining the age of commercial fish species. But why age a fish? And how do we do it? -
“Very rare find” of ghost shark hatchling
Media release06 June 2017NIWA scientists have made the rare discovery of a days-old ghost shark during a recent survey off the east coast of the South Island. -
Environmental monitoring
NIWA collects a vast range of environmental information about New Zealand’s environment from the sky to the seafloor. -
Summer Series 5: Paua is a summer delicacy. Dig deep for the blackfoot sea snail!
News article06 June 2017 -
NZ Freshwater Fish Database Help
Learn how to use the New Zealand Freshwater Fish Database (NZFFD) -
Fisheries stock assessments
To get the most benefit from a fish stock in the long term, we need to maximise our yield without damaging the fish population we rely on. -
CASAL
CASAL is an advanced software package developed by NIWA for fish stock assessment.
