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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Vieja: Spanish, vieja = old woman (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; pH range: 7.5 - ? ; dH range: 10 - 20; flodvandrande (Ref. 51243). Tropical; 23°C - 30°C (Ref. 7335)
North America: Atlantic slope, from the Papaloapán River to the Chachalacas River basin in Mexico.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL hane/ej könsbestämd; (Ref. 36377)
Inhabits lakes, preferring mesotrophic waters with a mud or sand bottom. Some populations have migrated into the lower river valleys with slow to moderate flowing waters. Feeds mainly on plant and vegetable matter supplemented by invertebrates and aquatic insects.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Breeding pairs lay eggs on wood, rock or in the sand.
Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA. (Ref. 7335)
IUCN Red List Status (Ref. 130435)
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=0.02692 (0.01216 - 0.05956), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.7 ±0.27 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
