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> Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); guejarensis: Name refers to the Guejar River Basin in Meta Department, Serrania de La Macarena, Colombia , where the type series was collected (Ref. 128867).

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

; acqua dolce benthopelagico. Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

South America: Colombia.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.8 cm SL (female)

Short description Morfologia | Morfometria

This species can be distinguished from most cis-Andean congeners (H. jabonero from Lake Maracaibo and adjacent Caribbean drainages, H. taeniurus from Trinidad and adjacent mainland drainages in Venezuela, and H. metae which is found in the Guavio River, some Orinoco and Caribbean River drainages in Venezuela) in having ii, 7, i dorsal-fin rays (vs. ii, 8). H. guejarensis differs from H. jabonero and H. taeniurus, in having a wider second pigment layer in the humeral spot (covering 3 vs. 2 scale widths). It is further distinguished from H. metae in having the tip of the pectoral fin passing the pelvic-fin insertions (vs. pectoral fin tip not reaching pelvic-fin insertions) (Ref. 128867).

Collected along shore over sandy substrates in tributaries with flow, water is tea colored. This species is found syntopic with Astyanax n. sp. (bimaculatus group), Bryconamericus macarenae, Creagrutus maculosus, Characidium cf. zebra and Hemigrammus barrigonae (Ref. 128867).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Roman-Valencia, C., R.I. Ruiz-C and Taphorn B.D.C., 2017. Hemibrycon guejarensis, a new species from the Guejar River, Orinoco Basin, Colombia (Characiformes: Characidae) with a review the populations identified as Hemibrycon metae. Revista de Investigaciones de la Universidad del Quindío 29:38-52. (Ref. 128867)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 12 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Consumo di cibo
Razione

Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development

Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
BRUVS

Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Electrophoreses
Ereditarietà
Malattie
Elaborazione
Nutrients
Mass conversion

Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

Special reports

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Fonti Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Hemibrycon guejarensis Román-Valencia, Ruiz-C. & Taphorn, 2018