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Flathead galaxias (Australia)
The flathead galaxias (''Galaxias rostratus'') is a freshwater fish found in lowland rivers and streams and associated billabongs, backwaters, etc. of the southern Murray-Darling river system in Australia.
Flathead galaxias continue a pattern found in Murray-Darling native fish of speciation into upland and lowland habitats. Flathead galaxias are found in lowland habitats, while the mountain galaxias species complex, containing at least seven species of ''Galaxias'' (research is ongoing) are found in upland habitats, as well as "midland" or upland/lowland transitional habitats.
==Morphology==
The fish is similar in appearance to the common galaxias, except with a distinctly flattened head, larger eyes and longer snout.〔 It has an olive green back and sides with indistinct grey to green blotches and silvery bottom. Adults are commonly 9 cm but found up to 12 cm long.
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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