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Lucy Stuart

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A pair of male hands holds a carp up to the camera in this close-up shallow depth-of-field photo. The carp has its and mouth open.

What’s the go with the carp virus?

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For many of us in river and waterway management, it’s one of the most asked questions we get from family, friends and the community — “What's the go with that carp virus?” The recent flooding and subsequent explosion in carp numbers has again seen this question raised beyond just pubs and kitchen tables, to being

Developing performance standards for fishways

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In response to the fragmentation of rivers and streams, fishways have become a popular method of mitigating the impacts of dams and weirs by helping to; facilitate fish movement and migration and create access to habitats. Habitat fragmentation poses a great risk to biodiversity, with riverine fish species particularly vulnerable to human development. Fishways, also

Preserving our threatened galaxiids

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In Australia, there is an alarming number of declining fish species that are not formally declared as threatened under national legislation, despite global freshwater fish decline. There is limited knowledge on how to best protect fish species using conservation strategies and science is still developing. In the case of threatened galaxiids, the Arthur Rylah Institute

Why don’t we farm Tilapia in Australia?

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Tilapia (Oreochromis mossambicus or the Mozambique mouthbrooder) is an invasive species in Australia, posing a significant threat to the endemic native fish and aquatic ecosystems. Traditionally found in Southern Africa, this species is incredibly adaptive and fast-growing, guaranteeing its spot in the top 100 of the world’s worst introduced species (NSW DPI). The fish was

How dredging impacts fish ecology

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It is well understood that landscape modification (dredging) alters the condition of ecosystems and the seafloor terrain, changing the three-dimensional topography and terrain of fish habitat. Although the impacts of species translocation, habitat fragmentation and habitat loss have been well researched, the ecological impacts of dredging activity in estuarine and shallow coastal environments are sparsely

Can Murray cod movements inform flow management?

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Understanding why, how and when animals move is important for the conservation of different species. In highly modified landscapes, the inclusion of movement ecology can improve the likelihood that conservation and restoration practices promote the resilience of native species.  In the case of freshwater fish, they must move regularly within human-modified river systems to feed and spawn,

Why Don’t We Eat Carp in Australia?

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You may have heard the best anecdotal recipe for cooking carp:  Place a fresh carp fillet in a pot of simmering water.  Then add a small round stone from the river and simmer for 10 minutes or until the fish is cooked.  Remove the carp from the pot and discard.  Serve the hot stone.   In Australia,

Koondrook fishways proving to be popular for our native fish

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The establishment of the Koondrook Weir, located in the mid-Murray River system, has limited the movement between Gunbower Creek and the Murray River for vulnerable and threatened fish species such as the Murray cod and the Golden perch. This lack of fish movement has also stunted potential developments in recreational fishing tourism for the area.