Environment: milieu / climate zone / rango de profundidad / distribution range					
						Ecología					
				
				
				
					; agua dulce; salobre bentopelágico;  rango de profundidad ? - 40 m (Ref. 78070). Temperate; 10°C - 25°C (Ref. 13614)				
				 
			
			
			
				
				
				
					Asia:  Japan.  Five subspecies were recognized:  Acheilognathus tabira erythropterus Pacific Ocean side of eastern Honshu (Miyagi, Tochigi, Ibaraki, Chiba Prefectures and Tokyo Metropolis); Acheilognathus tabira jordani in Japan Sea side of western Honshu (Toyama, Ishikawa, Fukui, Tottori and Shimane Prefectures); Acheilognathus tabira nakamurae in Kyushu area; Acheilognathus tabira tabira in Western Honshu; and Acheilognathus tabira tohokuensis in Japan Sea side of eastern Honshu (Akita, Yamagata, Fukushima in western area and Niigata Prefectures).
				
				
			
			
				
					Tamaño / Peso / Age
				
				
				
					Madurez: Lm ?  range ? - ? cm
 Max length : 7.9 cm SL macho / no sexado; (Ref. 78070)				
				 
			
			
						
				
				
				
					Radios blandos dorsales (total) : 11 - 14; Radios blandos anales: 11 - 13; Vértebra: 35 - 38. Can be diagnosed by having the following characters:  dorsal fin with iii, 9-11 rays; anal fin with iii, 9-10 rays; dorsal fin in males grayish; anal fin in nuptial males white; absence of black blotch on dorsal fin in juveniles; eggs short ellipsoid, ratio of major axis to minor axis, 1.4-1.7 (Ref. 78070).
Body shape (shape guide): fusiform / normal.				
				 
			
			
			
			
			
			
			
				Inhabits rivers, creeks, lakes and ponds in plains.  Also occurs in mouths of rivers draining into lagoons, in rocky shores of rivers and irrigation creeks, and in floodplain pools.  Deposits its eggs into host mussels (Ref. 78070).			
			 
			
			
			
				
					Life cycle and mating behavior					
					Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva				
				
				
				
				Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).				
				 
			
			 
				
				
				
					Doi, A., R. Arai and H.-Z. Liu, 1999. Acheilognathus macromandibularis, a new bitterling (Cyprinidae) from the lower Changjiang basin, China. Ichthyol. Explor. Freshwat. 10(4):303-308. (Ref. 39330)
				
				 
			
			
			
							
					
						IUCN Red List Status   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
				
					Threat to humans  
				
				
				
					  Harmless				
				
			 
			
			
			
			
				
					Human uses  				
				
				
									
				
				
			
			
						
			
			
			
				
Herramientas
				
			
			
			
				
Special reports
 
				
			
			
			
				
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					Fuentes de Internet
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Referencia 
82804):  PD
50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.01096 (0.00505 - 0.02383), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 
93245).
					
					Nivel trófico  (Referencia 
69278):  2.2   ±0.1 se; based on size and trophs of closest relatives					
											
				
				
										
						Resiliencia  (Referencia 
120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming Fec < 10,000).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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