Freshwater fish

Understanding and supporting the migration of fish through New Zealand's freshwater habitats

Investigating the effectiveness of an acoustic bubble-screen in minimising the movement of pest fish

A 3D Printer is helping save New Zealand’s endangered native fish

The New Zealand Freshwater Fish Database (NZFFD) contains over 50,000 freshwater fish observations from across New Zealand from 1901 to the present.

About 76 per cent of indigenous freshwater fish species, that’s 39 out of 54, are threatened with extinction or at risk of becoming threatened.

Nearly half of New Zealand’s river network is partially or fully inaccessible to migratory fish, a new study shows.

Dr Alvin Setiawan talks about recirculating aquaculture systems.

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.

These are some recent publications related to the freshwater species ecology and management programme.

NIWA is helping to ensure that New Zealand’s unique and iconic freshwater species are healthy, abundant and thriving.

What does science tell us about New Zealand eels?

NIWA, through the MBIE-funded Cultural Keystone Species programme (2016-2020), have developed a series of iwi engagement booklets sharing science knowledge to support species management strategy.