New Plymouth lake to be drained due to invasive clam infestation

Wednesday 10 December 2025 · 2 outlets · 2 reports · updated Wed 10 Dec 2025, 7:52pm

In this story NIWA, Biosecurity New Zealand, Taranaki Regional Council

Lake Rotomanu in New Plymouth will be emptied this week to help scientists assess an infestation of invasive freshwater gold clams. The Corbicula fluminea species was discovered in the lake on 8 November, marking the first time the clam has been found outside the Waikato River.

How they headlined it

5:42pm7:52pm

1. RNZWed 10 Dec 2025, 5:42pm

   New Plymouth lake to be drained in fight against invasive clams (opens in new tab)

2. StuffWed 10 Dec 2025, 7:52pm

   Taranaki lake to be drained in clam fight (opens in new tab)