Classification / Names  				 
				Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa				
			
				
				Teleostei (teleosts) > 
Cichliformes (Cichlids, convict blennies) > 
Cichlidae (Cichlids) > Cichlasomatinae						
							
							Etymology: Vieja: Spanish, vieja = old woman (Ref. 45335).
						
					
				
					Environment: milieu / climate zone / depth range / distribution range					
						Ecology					
				
				
				
					Freshwater; brackish;  benthopelagic; pH range: 7.0 - 8.0; dH range: 9 - 20. Tropical; 24°C - 30°C (Ref. 7335)				
				 
			
			
			
				
				
				
					Central America:  Atlantic slope, in the Usumacinta River drainage in Mexico, Guatemala and Belize.
				
				
			
			
				
					Size / Weight / Age
				
				
				
					Maturity: Lm ?  range ? - ? cm
 Max length : 35.0 cm TL male/unsexed; (Ref. 36377)				
				 
			
			
			
			
			
			
			
			
				Inhabits lakes and the lower river valley with a slight tolerance for the brackish environment.			
			
			
			
			
				
					Life cycle and mating behavior					
					Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae				
				
				
				
				Produces 300-500 fry per spawning (Ref. 7335). Reported to produce up to 1000 eggs and reach sexual maturity at 10 cm (Ref. 2060).				
				 
			
			 
				
				
				
					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  				
				
				
					Fisheries: of no interest; gamefish: yes; aquarium: commercial				
				
				
			
			
						
			
			
			
				
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					Estimates based on models				
				
				
				
				
				
					
					Phylogenetic diversity index  (Ref. 
82804):  PD
50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].					
													Bayesian length-weight: a=0.02089 (0.01091 - 0.04002), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body  (Ref. 
93245).
					
					Trophic level  (Ref. 
69278):  2.6   ±0.28 se; based on food items.					
											
				
				
										
						Resilience  (Ref. 
120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).					
											
				
									
					Fishing Vulnerability  (Ref. 
59153):  Low vulnerability (25 of 100). 
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