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Hyphessobrycon eques (Steindachner, 1882)

Jewel tetra
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Image of Hyphessobrycon eques (Jewel tetra)
Hyphessobrycon eques
Picture by Muséum-Aquarium de Nancy/D. Terver


Argentina country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from upper Paraná (Ref. 56308) and Corrientes (Ref. 51923). Also Ref. 9086.
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: López, H.L., A.M. Miquelarena and J. Ponte Gómez, 2005
National Database:

Common names from other countries

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335).
  More on author: Steindachner.

Issue
Ornamental species. See Weitzman & Palmer (1997a,b) for notes on the taxonomy and synonym.

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

; acqua dolce benthopelagico; pH range: 5.0 - 7.8; dH range: 10 - 25.   Tropical; 22°C - 26°C (Ref. 12468)

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

South America: Amazon, Guaporé and Paraguay River basins.

Length at first maturity / Size / Peso / Age

Maturity: Lm 2.1  range ? - ? cm
Max length : 4.0 cm SL maschio/sesso non determinato; (Ref. 81048)

Biologia     Glossario (es. epibenthic)

A gregarious species which positions itself near the surface between the stems of emerging plants. It is frequently found in stagnant waters. They are generally peaceful, but when there are too many of them during feeding, they bite each other's fins (Ref. 12225). Feeds on worms, crustaceans, insects and plants (Ref. 7020). Oviparous (Ref. 205). This species is part of a complex of `blood' tetras, hybrids of which are commonly offered in the aquarium trade. Aquarium keeping: aggressive; in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Oviparous (Ref. 205). In captivity, spawning is preceded by vigorous driving by the male during the early hours of the day and eggs mostly sink to the bottom (Ref. 7020).

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Weitzman, S.H. and L. Palmer, 1997. A new species of Hyphessobrycon (Teleostei: Characidae) from Neblina region of Venezuela and Brazil, with comments on the putative 'rosy tetra clade'. Ichthyol. Explor. Freshwat. 7(3-4):209-242. (Ref. 13676)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 04 March 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesca: elevato interesse commerciale; Acquario: elevato interesse commerciale
FAO(Publication : search) | FishSource |

Informazioni ulteriori

Trophic ecology
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Diet compositions
Food consumptions
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Predatori
Ecology
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Length-weight rel.
Length-length rel.
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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=0.01413 (0.00779 - 0.02563), b=3.14 (2.99 - 3.29), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.38 se; based on food items.
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).
Price category (Ref. 80766):   Unknown.