Klassifizierung / Names
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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser 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.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 50.0 cm SL Männchen/unbestimmt; (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.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02188 (0.01356 - 0.03530), b=3.03 (2.89 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
4.5 ±0.80 se; based on food items. |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Unknown.
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Nährstoffe (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); |