Didymo News

Didymo (Didymosphenia geminata) has been confirmed in the Waimakariri River, MAF Biosecurity New Zealand (MAFBNZ) announced today.

In response to recent reports circulating about the apparent 'disappearance' of didymo, particularly in the Waitaki, Hakataramea and Maerewhenua Rivers, MAF Biosecurity New Zealand can confirm that didymo is still present in the those rivers and people must check, clean and dry their equipment before moving to other waterways.

Didymo (Didymosphenia geminata) has been confirmed in the Wairau River near Dip Flat, MAF Biosecurity New Zealand (MAFBNZ) announced today.

The invasive alga didymo has been detected at two sites upstream of the Rangitata Diversion Race (RDR) intake on the Rangitata River.

The invasive algae didymo has been confirmed in the Rangitata Diversion Race, MAF Biosecurity New Zealand announced today.

With the discovery of dead didymo cells in several central North Island rivers yesterday, MAF Biosecurity New Zealand (MAFBNZ) and Central North Island regional partner organisations are reminding anglers and other recreational freshwater users to check, clean and dry their equipment between waterways.

Dead didymo cells have been found in some samples of water taken late last week from the Tongariro, Whakapapa, Mangatepopo and Whanganui Rivers.

The invasive alga didymo has been detected in the upper Clarence River, MAF Biosecurity New Zealand announced today.

With the fishing season due to start next Monday (October 1), MAF Biosecurity New Zealand and Fish & Game are reminding anglers, and other recreational freshwater users of the importance of cleaning their equipment between waterways.

The latest findings from MAF Biosecurity New Zealand's Didymosphenia geminata (didymo) science programme were presented to the Didymo Technical Advisory Group and Long-Term Management partners at a seminar held in Wellington today.