Tag Archives: Fish

Invasive species control: risks and rewards

Widespread invasive species control is a risky business Partula snails were driven to extinction in the wild by introduced predators. Wikimedia Commons R. Keller Kopf, Charles Sturt University; Dale Nimmo, Charles Sturt University, and Paul Humphries, Charles Sturt University In … Continue reading

Posted in Australia, Conservation, Freshwater fish, Invasive species, River conservation, River management, Rivers | Tagged , , , , | Leave a comment

Historical Ecology PhD project and scholarship: Stuffed Murray Cod in Pubs

PhD Project: ‘Stuffed Murray cod in pubs: trophy fish and environmental change in the Murray-Darling Basin’ There is an exciting opportunity to carry out a PhD project in the School of Environmental Sciences, Charles Sturt University, Albury, on the topic … Continue reading

Posted in Environmental history, Fish Ecology, Freshwater fish, Historical ecology, River and History, River conservation, River research | Tagged , , , , , | Leave a comment

Surveying rare fishes in rivers

By Brendan Ebner, Tropical Landscapes Joint Venture, CSIRO Land & Water and TropWATER, James Cook University, Townsville, QLD. Freshwater ecosystems are some of the most threatened on the planet. Freshwater fish are particularly imperilled: worldwide, 46% of all fish species … Continue reading

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The influence of body size on the resistance of river blackfish (Gadopsis marmoratus) to drought

By Simon Mom, PhD candidate, La Trobe University and Murray-Darling Freshwater Research Centre, Wodonga Climate change poses a threat to most, if not all, Australian ecosystems. In southern Australia, droughts are predicted to increase in severity, duration and frequency. In … Continue reading

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Size matters: extinction risk in small-bodied freshwater fishes

By Casey Shaw, Honours Student, Charles Sturt University Generally, for marine fishes, it is larger species that are at most risk of extinction. This is because large species tend to produce fewer eggs and have longer generation times than small … Continue reading

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G. P. Whitley – legendary Australian ichthyologist

If you will forgive a deviation from rivers…. Gilbert Percy Whitley’s name is well known to anybody who has studied Australian fishes. He was a superb taxonomist, describing many new species over his long career at the Australian Museum.  I … Continue reading

Posted in Fish Ecology, Historical ecology | Tagged , , | 5 Comments

Australian endangered species: Murray cod

Recently I was asked to write a short piece on Murray cod in The  Conversation, since the International Union for the Conservation of Nature list the species as Endangered. This is quite a controversial topic, since the species is one … Continue reading

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