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Exploring clam impact on native aquatic plants
The invasive gold clam (Corbicula fluminea) can reach very high population densities, which can harm freshwater ecosystems. -
Extreme Lakeover: NIWA’s Guide to Rolling Back Life into New Zealand Lake
Publication article26 March 2025A team of NIWA freshwater ecologists have completed their research on the use of biodegradable plant mats as life rafts to help reintroduce native aquatic plants to degraded freshwater lakes. -
New Technology Enhances River Digital Networks for Improved Water Management
Publication article21 March 2025NIWA scientists have launched a groundbreaking initiative that is transforming mapping of freshwater environments. -
Innovative Methods in Tackling Pest Fish: The Power of Sound and Light
Publication article20 March 2025Could bubbles and strobe lights stop pest fish swimming where they’re not wanted? -
Gold clam life cycle
Learn more about gold clam life cycle -
NIWA Seeks Crucial Data to Boost Freshwater Protection Efforts
Publication article07 March 2025NIWA scientists are gathering data on freshwater mitigation across NZ to improve predictive models. -
Gold clam anatomy
The invasive gold clam is native to eastern Asia and is widely established in North and South America and Europe. In New Zealand it was first discovered in the Waikato River in May 2023 at Bob's Landing, within Lake Karāpiro. It has been declared an unwanted organism under the Biosecurity Act. -
Race Against Time: Tackling the Invasive Gold Clam
Publication article28 February 2025NIWA and partners launch critical research to stop an invasive clam threatening New Zealand's freshwater ecosystem. -
Staff Profile: Reza Moghaddam
Publication article24 February 2025Introducing NIWA environmental engineer Reza Moghaddam. -
Staff Profile Clare Wilkinson
Publication article24 February 2025Introducing NIWA sediment transport scientist Clare Wilkinson. -
Golden elegant enigma seeks ‘2025 Bug of the Year’ crown
Media release03 February 2025A short-lived, strikingly stunning native mayfly known to fly-fishers and aquatic admirers yet seldom seen by the public may have its time in the spotlight this month as a nominee for the 2025 New Zealand Bug of the Year. -
RotoTurf: Aquatic plant ‘life rafts’ in degraded lakes
A team of NIWA freshwater ecologists are researching the use of biodegradable plant mats to help reintroduce native aquatic plants to degraded freshwater lakes in Aotearoa-New Zealand.