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Grass Valley speckled dace : ウィキペディア英語版 | Grass Valley speckled dace
The Grass Valley speckled dace (''Rhinichthys osculus reliquus'') occurred in a single spring-fed creek in a grassy meadow in eastern Lander County, Nevada. Specimens were collected only once, in 1938 and it was then common. The species had a distinctive speckled lower lip and silver sided body. The introduction of brook and rainbow trout to the creek is believed to be the reason for their extinction.〔 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Grass Valley speckled dace」の詳細全文を読む
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