An Expedition to Survey The Many-Bristled Crayfish Euastacus polysetosus (Riek 1951)

Euastacus polysetosus,called the Many-Bristled Crayfish by some are an intermediate group crayfish that rarely reaches above 70 grams and 56.6 mm OCL in size.  They live in the high altitude, clear, clean, flowing mountain streams of the Barrington Tops Region of NSW. In September 2017 we visited the Barrington Tops region to survey this endangered species. (more…)