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Darling River hardyhead
The Darling River hardyhead (''Craterocephalus amniculus'') is a species of fish in the Atherinidae family endemic to Australia. The species name amniculus is from the Latin meaning a small creek or stream, in reference to the habitat where these fish are often found.
''Craterocephalus amniculus'' is recorded to be vulnerable to becoming an endangered species because of its restricted range, but the threats and information regarding this recording have not been verified or documented. 〔(【引用サイトリンク】url=http://www.iucnredlist.org/details/5487/0 )〕
==Habitat==
The Darling River hardyhead can be found in a freshwater environment within a benthopelagic range. They are native to a subtropical climate. The average length of an unsexed male is about 5.5 cm or 2.2 in. This species can be located in New South Wales, Australia.〔(【引用サイトリンク】url=http://www.fishbase.us/summary/Craterocephalus-amniculus.html )〕 It populates itself in clear, steady, and slow water. They are recorded to be found in streams, creeks, and rivers at the surface of the water or in the shallow areas. They are occasionally found among plants and vegetation in the water, as well. It is common to find this species isolated or within groups of 10-15 fish.
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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