真实影像REAL PHOTO
Cyprinidae
沙巴長臂鯿
Ballerus sapa
夜游急流以浮游为食
沙巴長臂鯿(學名:Ballerus sapa)為輻鰭魚綱鯉形目雅羅魚科長臂鯿屬的其中一種,分布於歐亞大陸多瑙河、第聶伯河、聶伯河、頓河、窩瓦河、烏拉河、庫邦河、卡馬河、維亞特卡河與捷列克河淡水、半鹹水流域,體長可達35公分,棲息在水流湍急的河川底中層水域,以浮游生物為食,夜間活動,半溯河種群在黑海周圍河口的大型鹹水棲息地覓食,在礫石底部或淹沒的植被上快速流動的水中大量聚集產卵,可做為食用魚。
- 纲
- 真骨鱼纲
- 目
- 鲤形目
- 最大体长
- 35 cm
- 体型
- fusiform
- 分布
- Europe and Asia: large rivers draining to Black, Azov, Caspian and Aral Seas. Introduced or native to Northern Dvina drainage (White Sea basin) where it is presently spreading from warmer upper reaches (Vychegda system) northward. Introduced in River Volkhov (a tributary of Lake Ladoga), in Rhine in 1995 and invasive in Vistula drainage, coming from Black Sea basin through Prypet-Bug canal (connecting Dniepr and Vistula drainages).
- 保护状态
- LC无危

