Classification / Names  				 
				Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa				
			
				
				Teleostei (teleosts) > 
Cypriniformes (Carps) > 
Acheilognathidae (Bitterlings)						
							
							Etymology: Rhodeus: Greek, rhodeos, a,-on = rose (Ref. 45335); cyanorostris: 'cyanorostris'(Latin), i.e., 'cyano' for blue and 'rostris' for snout, referring to the blue snout in nuptial males. Noun (Ref. 126778).
						
					
				
					Environment: milieu / climate zone / depth range / distribution range					
						Ecology					
				
				
				
					Freshwater;  benthopelagic; depth range 0 - 1 m (Ref. 126778). Tropical				
				 
			
			
			
				
				
				
					Asia: China.
				
				
			
			
				
					Size / Weight / Age
				
				
				
					Maturity: Lm ?  range ? - ? cm
 Max length : 3.3 cm SL male/unsexed; (Ref. 126778)				
				 
			
			
						
				
					Short description					
					Identification keys | Morphology | Morphometrics					
				
				
				
					It has a longitudinal scale series 32 to 35; no pored scales; transverse scale series 11 (10-12); branched dorsal-fin rays 8 (rarely 7); branched anal-fin rays 7-8; vertebrae 33-34 (rarely 35); no light spots on dorsal-fin rays and males have a nuptial colouration of a blue snout, iris, belly and yellow fins.
				
				
			
			
			
			
			
			
			
							
			
			
			
			
				
					Life cycle and mating behavior					
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
				
				
				
								
				
			
			 
				
				
				
					Li, F., T.-Y. Liao and R. Arai, 2020. Two new species of Rhodeus (Teleostei: Cyprinidae: Acheilognathinae) from the River Yangtze, China. J. Vert. Biol. 69(1):19055. (Ref. 126778)
				
				 
			
			
			
							
					
						IUCN Red List Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
									
				
				
			
			
						
			
			
			
				
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					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].					
										
					
					Trophic level  (Ref. 
69278):  2.8   ±0.2 se; based on size and trophs of closest relatives					
											
				
				
										
						Resilience  (Ref. 
120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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