Expressway workers volunteer to help Huntly mudfish

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Mudfish found during a fish recovery programme in a farm drain.

Staff working on the Huntly section of the Waikato Expressway have dug in more than 1300 natives to protect an isolated pocket of at-risk black mudfish found in a farm drain.

The mudfish were found by the Fulton Hogan-HEB joint venture staff who are building the Huntly project for the NZ Transport Agency. The team were carrying out a fish recovery programme and were about to clear out the drain when the discovery was made.

The agency’s Project Manager Kevin Johnson says the fish recovery work had only just begun when the 16 mudfish were found.

“Work was halted and after the mudfish were measured and counted they were returned to the drain while a solution was discussed with Iwi, Department of Conservation and the Waikato Regional Council.

“It was agreed that the best outcome was not cleaning the drain but leaving the mudfish where they were and enhancing their habitat by fencing it and planting native plants,” Mr Johnson says.

This solution was outside the work required for the Expressway project programme but the Fulton Hogan-HEB joint venture team called for staff to volunteer their time to plant 1300 native plants – which had been grown from seeds sourced locally.

Black mudfish are found only in parts of the Waikato, Auckland and Northland and have a conservation status of “at risk – declining”. They are unique because they can survive in wetlands during summer months by burying themselves in the mud.

The 15.2km Huntly project will see 1.4 million plants put in the ground.


Kessels Ecology’s David Riddell and Alicia Catlin release mudfish to their new home in 2014. Photo: Stephen Barker / NZ Transport Agency

Gordonton ecologist David Riddell played a part in returning nationally threatened fish to their new home near the Waikato Expressway in 2014.  Click here for that story on N8N.

Read more about black mudfish by clicking here.



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Number 8 Network - a community website for the rural areas northeast of Hamilton, NZ, is run by Gordonton journalist/editor Annette Taylor.

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