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                Welcome to the Upper Murrumbidgee homepage for FeralFishScan

Carp love 20°c - Campaign runs again in Spring 2016

‘Carp Loves 20°c’ takes its name from Carp's tendency to display breeding behaviour when water temperature reaches around 20°c.
The water is warming and Waterwatch would like you to keep an eye out and log your sightings here on the FeralFishScan website. 

Record sightings of feral fish here or

download the Mobile App

ACT Environment Minister launches this website

The ACT Minister for the Environment, Simon Corbell officially launched FeralFishScan on 17 November 2014 at Casuarina Sands Reserve in the ACT on the banks of the Murrumbidgee River. Supporting organisations and members of the public were on hand to celebrate the launch and even enjoy some carp canapés! 

Simon Corbell Media Release - New tool to fight feral fish

Research tracks tagged Carp in the Murrumbidgee

Carp movement is being studied as part of the Upper Murrumbidgee Demonstration Reach Carp Research project which also includes a trial carp trapping program. This project is a partnership between Bush Heritage Australia, NSW DPI (Fisheries), the Capital Region Fishing Alliance and the NSW Recreational Fishing Trust. For information about the UMDR Carp Research project go to www.upperbidgeereach.org.au or contact the UMDR Facilitator on 0429 778 633.
A total of 31 tagged carp have been released into the upper Murrumbidgee River, upstream of the ACT. The tagged carp are marked with a long yellow tag near their dorsal fin. These carp are implanted with electronic tags so their movements can be tracked as they move along the river system. If caught, please RELEASE tagged fish and report details to the number on the tag. A reward will be given for making a report. Please take photos if possible.

A new community resource for the Upper Murrumbidgee

FeralFishScan is a new community website for collecting evidence of feral fish in the Upper Murrumbidgee catchment. Feral fish (also called 'pest fish') cause enormous damage to our rivers and native fish populations. If you have seen or caught feral fish in your local area, record the details here to help identify feral fish hotspots across our catchment. FeralFishScan will go national in 2015.

Find out more >

How to identify feral fish species!

Do you know which fish species you've seen? There are 5 major feral fish species that live in the Upper Murrumbidgee catchment. They are common carp, redfin perch, eastern gambusia, oriental weatherloach, and goldfish. There are also some native species that can be easily mistaken for feral fish. To find out how to identify feral fish, click here.

Record feral fish  - Click here to start mapping now!

If you have seen feral fish in the upper Murrumbidgee catchment or elsewhere, record this information in the FeralFishScan Google Map. Your data will help to identify where feral fish are a major problem, and your data will help to identify options for feral fish control.

Start mapping >

What is happening to control feral fish?

There is always something happening in the upper Murrumbidgee! Learn about current programs to control feral fish in the Upper Murrumbidgee catchment, and how you can help with those programs. 

Find out more >

Carp fishing, author unknown

How your data is helping with feral fish management?

Your data is helping to control feral fish in the Upper Murrumbidgee catchment. The mapping of carp spawning sites is particularly important for their control. Find out how your data is helping to map feral fish hotspots, identify breeding sites, and control feral fish in our catchment. 


Supporters and project partners


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Coming soon

  • Upload photos of fish
  • Fish ID Phone App
  • and more
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