Common names from other countries
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Vieja: Spanish, vieja = old woman (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; pH range: 7.5 - ? ; dH range: 33 - ?. Tropical; 24°C - 30°C (Ref. 7335)
Central America: Atlantic slope, in the Grijalva River basin, Mexico.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm SL hane/ej könsbestämd; (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
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA. (Ref. 7335)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.02884 (0.01568 - 0.05304), b=3.04 (2.88 - 3.20), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.5 ±0.20 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).