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Cichliformes (Cichlids, convict blennies) > 
Cichlidae (Cichlids) > Cichlasomatinae						
							
							Etymology: Vieja: Spanish, vieja = old woman (Ref. 45335).
Eponymy: Dr Norman Edouard ‘Kibe’ Hartweg (1904–1964) was a herpetologist whose specialty was the distribution and taxonomy of turtles. [...] (Ref. 128868), visit book page.
						
					
				
					Environment: milieu / climate zone / rango de profundidad / distribution range					
						Ecología					
				
				
				
					; agua dulce bentopelágico; pH range: 7.5 - ? ; dH range: 33 - ?. Tropical; 24°C - 30°C (Ref. 7335)				
				 
			
			
			
				
				
				
					Central America:  Atlantic slope, in the Grijalva River basin, Mexico.
				
				
			
			
				
					Tamaño / Peso / Age
				
				
				
					Madurez: Lm ?  range ? - ? cm
 Max length : 20.0 cm SL macho / no sexado; (Ref. 102977)				
				 
			
			
			
			
			
			
			
			
				Inhabits lower to middle river valleys as well as lakes.  Found over rocks, sand, silt or mud.  Feeds on benthic detritus, aquatic plants and invertebrates (Ref. 7335).  Reported size in captivity  to about 25 cm for males and 18 cm for females (Paul Stevens, pers. comm.).			
			 
			
			
			
				
					Life cycle and mating behavior					
					Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva				
				
				
				
								
				
			
			 
				
				
				
					Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA. (Ref. 7335)
				
				 
			
			
			
							
					
						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 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.02818 (0.01485 - 0.05350), b=3.03 (2.87 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body  (Ref. 
93245).
					
					Nivel trófico  (Referencia 
69278):  2.5   ±0.20 se; based on food items.					
											
				
				
										
						Resiliencia  (Referencia 
120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (14 of 100). 
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