Freshwater Pests


Scientific Name: Gambusia affinis
Released in New Zealand in the 1930s. Fast prolific breeders and one pregnant female can start a whole population. They can survive in poor quality water. Found in Northland, Auckland, Waikato, Bay of Plenty and Hawkes Bay.
Prevent the spread of pests with Check, Clean, Dry Methods

If you think you've found a freshwater pest - report online here
or call our pest and disease hotline 0800 80 99 66

  • They are very aggressive and frequently attack native fish species
  • High density populations reduce galaxiids in shallow water
  • Compete with native whitebait, bullies and eels, all feed on mosquito larvae.

Send an Enquiry


0800 80 99 66