蓝首亚口鱼
蓝首亚口鱼（学名：Catostomus discobolus）为辐鳍鱼纲鲤形目亚口鱼科的其中一种，为温带淡水鱼，分布于北美洲美国怀俄明州、爱达荷州蛇河、怀俄明州、犹他州巴那维利湖向南流经科罗拉多河上游流域[2][3][4][5][6][7][8]，本鱼体呈圆柱形，口下位成吸盘状，顶部呈现深绿色或深银色，底部呈现浅黄色，侧线鳞70-100枚，在繁殖过程中，雄鱼的大头顶部会出现蓝色斑块，下鳍会变成黄色或橙色，并带有红色或玫瑰色侧线，体长可达41公分，栖息在溪流底层水域，可适应各种环境，从山区冰冷的溪流到沙漠地区，白天会待在浅溪流，晚上觅食，繁殖期4至7月。
蓝首亚口鱼
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科学分类 
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| 界： | 动物界 Animalia |
| 门： | 脊索动物门 Chordata |
| 纲： | 辐鳍鱼纲 Actinopteri |
| 目： | 鲤形目 Cypriniformes |
| 科： | 亚口鱼科 Catostomidae |
| 属： | 亚口鱼属 Catostomus |
| 种： | 蓝首亚口鱼 C. discobolus
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| 二名法 | |
| Catostomus discobolus Cope, 1871
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| 异名 | |
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参考文献
编辑- ^ NatureServe. Catostomus discobolus. The IUCN Red List of Threatened Species. 2013, 2013: e.T62194A3109494 [11 November 2021]. doi:10.2305/IUCN.UK.2013-1.RLTS.T62194A3109494.en
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- ^ Arizona Game and Fish Department. 1988. Threatened Native Wildlife in Arizona. Arizona Game and Fish Department Publication. Phoenix, Arizona. p. 8.
- ^ Arizona Game and Fish Department. In prep. Wildlife of special concern in Arizona. Arizona Game and Fish Department Publication. Phoenix, Arizona. 32 pp.
- ^ Arizona Game and Fish Department Native Fish Diversity Review. 1995. Tempe, Arizona.
- ^ Beyers, D.W. et al. 2001. Habitat Use and Movements of Bluehead Sucker, Flannelmouth Sucker, and Roundtail Chub in the Colorado River. Larval Fish Laboratory, Colorado State University, Fort Collins, CO.
- ^ Cope, E.D. 1872. Recent reptiles and fishes in U.S. Geologic Survey of Wyoming and contiguous territory. Special reports Part IV:432-442.
- ^ Crabtree, C.B., and D.G. Buth. 1987. Biochemical systematics of the catostomid genus Catostomus: assessment of C. clarki, C. plebeius and C. discobolus including the Zuni Sucker, C.d. yarrowi. Copeia 1987:843-854.
- ^ Eddy, S. and J.C. Underhill. 1978. How to know the freshwater fishes, third edition. Wm. C. Brown Company, Dubuque, IA.
- Froese, R. & Pauly, D. (eds.) (2024). Catostomus discobolus. FishBase. Version 2024-05.
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