Australian Biological Resources Study

Australian Faunal Directory


Regional Maps

External Links

CAAB: 37311216

Species Gadopsis bispinosa Sanger, 1984

Twospine Blackfish, Two-spined Blackfish



Genetic studies (Hammer et al 2014, Unmack, et al. 2017) have suggested that additional species exist within the genus and the present classification is tentative.




Australian Capital Territory, New South Wales, Victoria

Extra Distribution Information

Found north of the Great Dividing Range from the ACT, south-eastern NSW and north-eastern Victoria; in NSW and ACT occurs in lower-altitude streams of Murray River above Lake Hume; temperate.

Australian Endemic.

IBRA and IMCRA regions (map not available)
drainage basins and coastal and oceanic zones (map not available)


ACT, NSW, Vic: Australian Alps (AA), NSW South Western Slopes (NSS), South Eastern Highlands (SEH), Victorian Midlands (VM)

Original AFD Distribution Data

Australian Region

  • Australia
    • Australian Capital Territory
    • New South Wales: Murray-Darling basin
    • Victoria: Murray-Darling basin

Ecological Descriptors



General References

Allen, G.R. 1989. Freshwater Fishes of Australia. Neptune, New Jersey : T.F.H. Publications 240 pp., 63 pls. [183]

Allen, G.R., Midgley, S.H. & Allen, M. 2002. Field Guide to the Freshwater Fishes of Australia. Perth : Western Australian Museum 394 pp. [205]

Hammer, M.P., Unmack, P.J., Adams, M., Raadik, T.A. & Johnson, J.B 2014. A multigene molecular assessment of cryptic biodiversity in the iconic freshwater blackfishes (Teleostei: Percichthyidae: Gadopsis) of south-eastern Australia. Biological Journal of the Linnean Society 111(3): 521–540

Jackson, P.D., Koehn, J.D., Lintermans, M. & Sanger, A.C. 1996. Family Gadopsidae. pp. 186-190 in McDowall, R.M. (ed.). Freshwater Fishes of South-eastern Australia. Sydney : Reed Books 247 pp. [188]

Kuiter, R.H. 2013. Pictorial Guide to Victoria's Freshwater Fishes. Seaford, Victoria : Aquatic Photographics 178 pp. [108]

Lintermans, M. 2009. Fishes of the Murray-Darling Basin — An Introductory Guide. Canberra : Murray-Darling Basin Commission 157 pp. [MDBC Publication Number 10/07] [90]

McCulloch, A.R. 1929. A check-list of the fishes recorded from Australia. Part II. Memoirs of the Australian Museum 5: 145–329 [329] (as Gadopsis marmoratus in part)

Miller, A.D., Waggy, G., Ryan, S.G. & Austin, C.M. 2004. Mitochondrial 12S rRNA sequences support the existence of a third species of freshwater blackfish (Percicthyidae: Gadopsis) from south-eastern Australia. Memoirs of Museum Victoria 61(2): 121–127

Unmack, P.J. 2001. Biogeography of Australian freshwater fishes. Journal of Biogeography 28: 1053-1089 [1062]

Unmack, P.J., Sandoval-Castillo, J., Hammer, M.P., Adams, M, Raadik, T.A. & Beheregaray, L.B. 2017. Genome-wide SNPs resolve a key conflict between sequence and allozyme data to confirm another threatened candidate species of river blackfishes (Teleostei: Percichthyidae: Gadopsis). Molecular Phylogenetics and Evolution 109: 415-420

Whitley, G.P. 1964. A survey of Australian Ichthyology. Proceedings of the Linnean Society of New South Wales 89(1): 11-127 [52] (1802, as Gadopsis marmoratus in part)


History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
29-Mar-2018 PERCICHTHYIDAE 13-Mar-2018 MODIFIED Dr Doug Hoese
21-Nov-2012 21-Nov-2012 MODIFIED
30-Mar-2010 MODIFIED