This yabby was dug from a capped dry burrow in sandy soil near Queens Lake, they are an extremely robust species and this one was surviving in totally dry, dusty conditions.
Robert McCormack is the Research and Aquaculture Director for Australian Aquatic Biological P/L. He is a Research Associate with the Carnegie Museum in Pittsburgh, USA, is Secretary of the Aqua Association Incorporated https://www.aqua.asn.au/ and the team leader of the privately funded Australian Crayfish Project, which conducts biological studies of every creek and stream in Australia, collecting and identifying crustaceans. Robert has a passion for freshwater crayfish traveling across Australia to find and photograph them.
