HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsDuck-billed golden-line fish Duck-billed golden-line fish (Sinocyclocheilus anatirostris) Scientific name: Sinocyclocheilus anatirostris Lin & Luo, 1986 The Duck-billed golden-line fish (Sinocyclocheilus anatirostris) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 17–19°C (63–66°F). Native range: Asia, Bailang Subterranean River in Guangxi, China. Duck-billed golden-line fish care at a glanceTemperature17–19°C (63–66°F) BiologyDorsal soft rays (total): 11; Anal soft rays: 8. No external visible eyes; depigment; scaleless; and, reduced swim bladder.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSinocyclocheilus anatirostrisFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length12.9Depth range2 m (7 ft)EnvironmentFreshwater;; pH range: 6.0 - 6.4 benthopelagic; depth range ? - 2 mClimateTropicalDistributionAsia: Bailang Subterranean River in Guangxi, China.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026