Teleostei (teleosts) >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Petenia: Named for Lake Peten in Guatemala (Ref. 45335).
Eponymy: This is a toponym referring to Lake Petén, Guatemala, the type locality. (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 7.0 - 7.5; dH range: 15 - ?. Tropical; 26°C - 30°C (Ref. 7335)
Central America: Atlantic slope of Grijalva River to Usumacinta River (Mexico), Usumacinta River (Guatemala), and Belize.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm SL male/unsexed; (Ref. 36377)
Inhabits lakes and lower river valleys. Prefers lower and middle reaches of rivers in the slower moving waters with soft substrate of sand and mud. Feeds on fish.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01332 - 0.03594), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.5 ±0.80 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): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 96.4 [51.8, 204.5] mg/100g; Iron = 1.47 [0.81, 3.03] mg/100g; Protein = 19.4 [17.8, 20.9] %; Omega3 = 0.492 [0.189, 1.440] g/100g; Selenium = 64 [27, 137] μg/100g; VitaminA = 55.2 [11.6, 208.0] μg/100g; Zinc = 1.14 [0.75, 1.80] mg/100g (wet weight);