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Squalius aradensis : ウィキペディア英語版 | Squalius aradensis
''Squalius aradensis'' is a ray-finned fish species in the family Cyprinidae, growing to SL. It is endemic to Portugal where it is found in only three river basins: Arade, Algibre, and Bordeira basins. It is threatened by water extraction, drought, and introduction of exotic fish species.〔 ''Squalius aradensis'' is an ubiquitous species which inhabits small to medium-sized streams with Mediterranean water regime. It may be restricted to very small pools during summer. It breeds in shallow riffle habitats in fast-flowing water.〔 ==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「Squalius aradensis」の詳細全文を読む
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