分类 / Names  				 
				俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa				
			
				
				Teleostei > 
Batrachoidiformes (Toadfishes) > 
Batrachoididae (Toadfishes) > Batrachoidinae						
							
							Etymology: Potamobatrachus: Greek, potamos = river + Greek, batrachos = frog (Ref. 45335).
						
					
				
					Environment: milieu / climate zone / 深度上下限 / distribution range					
						生态学					
				
				
				
					; 淡水 居于水底的;  深度上下限 0 - 2 m (Ref. 26631). 熱帶				
				 
			
			
			
				
					分布					
					国家 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri				
				
				
				
					South America:  Araguaia and Tocantins tributaries of the Amazon.
南美洲:  Araguaia 與亞馬遜河的 Tocantins 支流。
				
				
			
			
				
					大小 / 重量 / 年龄
				
				
				
					成熟度: Lm ?  range ? - ? cm
 Max length : 5.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26631)				
				 
			
			
						
				
				
				
					背棘 (总数) : 3; 背的软条 (总数) : 18 - 19; 臀棘: 0; 臀鳍软条: 15 - 16; 脊椎骨: 26 - 28. Body with four brown dorsal saddles (Ref. 26631).
Body shape (shape guide): fusiform / normal.
身体有四个褐色背部的鞍状斑.(参考文献 26631)				
				 
			
			
			
			
			
			
			
				Found in rivers (Ref. 26631).
发现于河了。 (参考文献 26631)
			
			 
			
			
			
				
					Life cycle and mating behavior					
					成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼				
				
				
				
				南美洲:  Araguaia 與亞馬遜河的 Tocantins 支流。
				
				
			
			 
				
				
				
					Collette, B.B., 1995. Potamobatrachus trispinosus, a new freshwater toadfish (Batrachoididae) from the Rio Tocantins, Brazil. Ichthyol. Explor. Freshwat. 6(4):333-336. (Ref. 26631)
				
				 
			
			
			
							
					
						世界自然保护联盟红皮书   (Ref. 130435: Version 2025-1)
					
					
				 
					
			
			
			
			
			
			
			
			
			
			
			
				
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					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (参考文献 
82804):  PD
50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.01000 (0.00428 - 0.02336), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 
93245).
					
					营养阶层  (参考文献 
69278):  3.3   ±0.5 se; based on size and trophs of closest relatives					
											
				
				
										
						回复力  (参考文献 
120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (10 of 100). 
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