Mountain galaxias

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Mountain galaxias
Mountain Galaxias (1).jpg
Galaxias olidus caught in an upland stream on a tiny barbless wet fly.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Osmeriformes
Family: Galaxiidae
Subfamily: Galaxiinae
Genus: Galaxias
Species: G. olidus
Binomial name
Galaxias olidus
Günther, 1866

Galaxias bongbong Macleay, 1881
Galaxias findlayi Macleay, 1882
Galaxias kayi Ramsay & Ogilby, 1886
Galaxias oconnori Ogilby, 1912
Galaxias schomburgkii Peters, 1868

The mountain galaxias (Galaxias olidus) is a species of freshwater galaxiid fish found all over southeast Australia.[1][2]


Galaxias olidus, occupies a vast geographical range. They are found from southern Queensland to the Adelaide Hills in South Australia, and while occurring widely in the Murray-Darling river system, are also found in eastern and southern coastal systems, as well. It is not clear how much of their coastal distribution is due to natural river capture events (although it is certain much of it is) and how much of it may be due to migration, for many mountain galaxias species have the ability to "climb" natural migration barriers with modified pelvic fin structures.[3]

Within the Murray-Darling system, the mountain galaxias continues the trend of specialisation into upland and lowland habitats, with species found in upland habitats, and the flathead galaxias found in lowland habitats. Though Galaxias olidus, stray down to the upland/lowland transition zone in some rivers.


  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2014). "Galaxias olidus" in FishBase. 11 2014 version.
  2. ^ Raadik, T.A. (2014). "Fifteen from one: a revision of the Galaxias olidus Günther, 1866 complex (Teleostei, Galaxiidae) in south-eastern Australia recognises three previously described taxa and describes 12 new species." (PDF). Zootaxa. 3898 (1): 1–198. doi:10.11646/zootaxa.3898.1.1. 
  3. ^ McDowall R.M. (2006). "Crying wolf, crying foul, or crying shame: alien salmonids and a biodiversity crisis in the southern cool-temperate galaxioid fishes?". Reviews in Fish Biology and Fisheries. 16: 233–422. doi:10.1007/s11160-006-9017-7. 

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