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Mountain galaxias
The mountain galaxias (''Galaxias olidus'') is a species of freshwater galaxiid fish found all over southeast Australia.
==Range==
''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. 〔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.''〕
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.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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