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Brycon guatemalensis Regan, 1908

Machaca
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Brycon guatemalensis
Female picture by Perusquía, E.


Nicaragua country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Grijalva River (Ref. 6858).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lima, F.C.T., 2003
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Bryconidae ("Brycon characins") > Bryconinae
Etymology: Brycon: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).
  More on author: Regan.

Issue
See Howes (1982: 29-30) for remarks on taxonomy, Burcham (1988), Bussing (1993), and Horn (1997) for observations on ecology of the species. Food fish.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch; tiefenbereich 0 - 5 m.   Tropical; 21°C - 34°C (Ref. 36880)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Central America: Atlantic slope from Grijalva River, Mexico to eastern Panama; in the Pacific slope, only in Choluteca River basin of Honduras.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 27.3  range ? - ? cm
Max length : 59.0 cm TL Männchen/unbestimmt; (Ref. 40637); max. veröff. Gewicht: 4.3 kg (Ref. 40637)

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found in lakes, rivers and streams between 0 and 600 m elevation. The young feed on terrestrial and aquatic insects, leaves, fruits and seeds but become mainly herbivorous when adult. Eggs are deposited in nests located in sand bottoms of streams.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Eggs are deposited in nests with sandy bottoms (Ref. 127435).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Lima, F.C.T., 2003. Characidae - Bryconinae (Characins, tetras). p. 174-181. 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. 38504)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 15 November 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Sportfisch: ja
FAO(Fischereien: production; publication : search) | FishSource |

Mehr Information

Trophic ecology
Nahrungsorganismen
Diet compositions
Food consumptions
Food rations
Räuber
Ecology
Ökologie
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
Mass conversions
Recruitments
Abundances
Life cycle
Fortpflanzung
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larven
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FAO Gebiete
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Anatomy
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Gehirngröße
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Fisch Laute
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetik
Electrophoreses
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Aquakultur Profile
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00545 - 0.01597), b=3.03 (2.88 - 3.18), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.3   ±0.27 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.35; Fec = 701;).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).