Environment: milieu / climate zone / نطاق العمق / distribution range					
						البيئة					
				
				
				
					; المياه العذبة; مياه مخلوطة قاعية التغذية و المعيشة;  نطاق العمق ? - 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).
				
				
			
			
				
					الحجم / وزن / العمر
				
				
				
					النضج: Lm ?  range ? - ? cm
 Max length : 7.9 cm SL ذكر/ مختلط الجنس; (Ref. 78070)				
				 
			
			
						
				
				
				
					الأشعة الظهرية الناعمة (المجموع) : 11 - 14; أشعه شرجية لينه: 11 - 13; فقرات: 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					
					النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae				
				
				
				
				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)
					
					
				 
					
			
			
			
			
			
			
			
			
			
			
			
				
					استخدامات بشرية  				
				
				
									
				
				
			
			
						
			
			
			
				
أدوات
				
			
			
			
				
تقارير خاصة
 
				
			
			
			
				
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					مصادر علي الأنترنت
				
				
			
			
			
				
					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (مرجع 
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).
					
					مستوى غذائي  (مرجع 
69278):  2.2   ±0.1 se; based on size and trophs of closest relatives					
											
				
				
										
						المرونه  (مرجع 
120179):  وسيط, الحد  الزمني الأدني لتضاعف عدد أفراد المجتمع  1.4-4.4 سنة (Assuming Fec < 10,000).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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