| 单词 | razorback sucker | 
| 释义 | > as lemmasrazorback sucker   razorback sucker  n. a sucker (fish),  Xyrauchen texanus (family  Catastomidae), which has a narrow humped ridge behind the head and is now confined to a few rivers in the southern United States. ΚΠ 1896    D. S. Jordan  & B. W. Evermann Check-list Fishes & Fish-like Vertebr. N. & Middle Amer. 241  				Xyrauchen cypho. Razor-back Sucker; Hump-backed Sucker. 1978    Chron.-Telegram 		(Elyria, Ohio)	 9 July  a5/2  				The Fish and Wildlife Service expanded its concern to two additional species—the bonytail chub (endangered), and the razorback sucker (threatened). 1990    Nature Conservancy July–Aug. 26/1  				The razorback suckers, desert pupfishes, [etc.]..will be reintroduced into Arizona streams. < as lemmas  | 
	
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