On Friday 14 December 2012 Quarantine Tasmania seized a shipment of live marron (Cherax tenuimanus) that was imported by a Hobart restaurant. Marron and all species of the genus Cherax are prohibited from import into Tasmania.

Crayfish of the genus Cherax are native to mainland Australia and pose a risk of establishment to Tasmania which has its' own unique freshwater crayfish fauna including the world's largest freshwater crayfish Astacopsis gouldi. Cherax spp., which include Cherax destructor, the mainland yabby, are listed in Tasmania as a Controlled fish under the Inland Fisheries Act 1995 and are prohibited from importation, possession and capture. Those who are found contravening this part of the Act can receive fines of up to $13,000.