Hairy Marron The Hairy Marron (Cherax tenuimanus) also known as the Margaret River Hairy Marron, is a large freshwater crayfish that grow to more than 38cm in length. They are one of the largest freshwater crayfish species in the world. The hairy marron has tufts of hairlike setae on the carapace and other body surfaces, … Continue reading Hairy Marron