Engaeus spinicaudatus, the Scottsdale burrowing crayfish, is a species of crayfish in the family Parastacidae. This species is only found in Tasmania, Australia.^[2] It is a medium-size burrowing crayfish with an adult carapace length of about 25 millimeters. It usually brown or purplish in color.^[2] The species is primarily found in wet buttongrass and healthy plains, but also occurs in surface seepages, floodplains of creeks and wet areas converted to pasture.^[2]

The principal threats to this species are clearance of native vegetation and lowering of the water table as a result of forestry and agricultural activities. Other threats include downstream effects and road construction and quarrying and the impacts of inappropriate fire management.^[2]

• Doran, N. & Horwitz, P. 2010. Engaeus spinicaudatus. IUCN Red List of Threatened Species 2010. Retrieved 5 February 2017.