Animal Species:Southern Roughy, Trachichthys australis Shaw, 1799
The Southern Roughy has a very deep body with rough scales. The species is endemic to Australia.
Standard Common Name
Pug-faced Roughy, Roughy
The Southern Roughy has a very deep body with rough scales. It has large eyes and a single tall dorsal fin. It is reddish-brown with a dark bar on the operculum and white fin spines. There are dark brown patches on the median fin rays.
The species grows to 17 cm in length.
It is endemic to Australia, occurring in temperate coastal waters from southern Queensland to south-western Western Australia. The type locality for the species is Port Jackson (Sydney Harbour), New South Wales.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Source: Atlas of Living Australia.
Distribution by collection data
The Southern Roughy is a benthic species that is usually found on rocky reefs from shallow waters down to about 40 m in depth.
Other behaviours and adaptations
When disturbed this fish can produce a noxious milky substance that can disable other fishes.
- Gomon, M.F. in Gomon, M.F., Glover, C.J.M. & R.H. Kuiter (Eds). 1994. The Fishes of Australia's South Coast. State Print, Adelaide. Pp. 992.
- Hoese, D.F., Bray, D.J., Paxton, J.R. & G.R. Allen. 2006. Fishes. In Beesley, P.L. & A. Wells. (eds) Zoological Catalogue of Australia. Volume 35. ABRS & CSIRO Publishing: Australia. parts 1-3, pages 1-2178.
- Hutchins, B. & R. Swainston. 1986. Sea Fishes of Southern Australia. Complete Field Guide for Anglers and Divers. Swainston Publishing. Pp. 180.
- Kuiter, R.H. 2000. Coastal Fishes of South-eastern Australia. Gary Allen. Pp. 437.
Mark McGrouther , Collection Manager, Ichthyology
Tags Fishes, Ichthyology, Southern Roughy, Trachichthys australis, Trachichthyidae, deep body, rough scales, endemic to Australia, Pug-faced Roughy, Roughy, 10 cm - 30 cm, large eyes, reddish-brown, stripes or bands, dark bar, temperate water, marine, coastal water, benthic, rocky reef, shallow water, round,