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Oryzias matanensis
''Oryzias matanensis'' is a species of fish in the Adrianichthyidae family. It is endemic to Lake Matano in Sulawesi, Indonesia.
==Information==
The common English name of the Oryzias matanensis is the Matano ricefish or the Matano medaka. This species is known to be found within a freshwater environment within a benthopelagic range. They are native to a tropical climate. The Oryzias matanensis is a non-annual breeder that is known to not migrate. The males of this species are differentiated from other species in its genus by its specific color pattern. The average length of this species as an unsexed male is about 5.5 centimeters or 2.16 inches. If kept in an aquarium, it known to be difficult to maintain this species.〔(【引用サイトリンク】url=http://www.fishbase.org/summary/Oryzias-matanensis.html )〕 This species is recorded to be vulnerable to becoming an endangered species. The threats and reasoning has not been documented as to why this species is recorded as being vulnerable.〔(【引用サイトリンク】url=http://www.iucnredlist.org/details/15575/0 )〕 The only human use that this fish provides is a commercial use for aquariums.〔(【引用サイトリンク】url=http://pick5.pick.uga.edu/mp/20q?search=Oryzias%20matanensis&btxt=microscope&burl=http://microscope.mbl.edu )〕
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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