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
Οικολογία
; Γλυκού νερού βενθοπελαγικό; pH range: 7.5 - ? ; dH range: 33 - ?. Tropical; 24°C - 30°C (Ref. 7335)
Central America: Atlantic slope, in the Grijalva River basin, Mexico.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm SL αρσενικό/απροσδιόριστο; (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 | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 2.5 ±0.20 se; based on food items.
Ελαστικότητα (Ref.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).