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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
Écologie
; eau douce benthopélagique; pH range: 7.5 - ? ; dH range: 10 - 20; potamodrome (Ref. 51243). Tropical; 23°C - 30°C (Ref. 7335)
North America: Atlantic slope, from the Papaloapán River to the Chachalacas River basin in Mexico.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL mâle / non sexé; (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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
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 (0.01189 - 0.06092), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.7 ±0.27 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
