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Freshwater crayfish are poor dispersers – predominately moving by crawling across the bottom of rivers and creeks – so it is hard to imagine that individuals, separated by over 2000kms of waterways, can be genetically similar and form part of a single interbreeding grouping. These findings were revealed in our Murray crayfish population genetics study, based on 20 locations across the present range of species, recently published in Marine and Freshwater Research (here).

Join us for an informative session in Renmark, where you’ll hear hear from scientists (including NGT’s Aquasave aquatic ecology team) about how yabbies are responding to the current flooding and the future of Murray crayfish in South Australia. We will hear from: Professor Michael Geddes,...

The Managing the recovery of Murray crayfish in the southern Murray-Darling Basin project is well underway with a number of important events taking place recently. Firstly, repeat monitoring of sites impacted by the 2010-11 blackwater event has highlighted increased numbers of crayfish in affected areas. Whilst these outcomes of the monitoring...