The streams in Springbrook national park were full of Euastacus sulcatus. This E. sulcatus from the Tallebudgera Creek drainage had juveniles under her tail.
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.
