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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Gephyrocharax: Greek, gephyra = bridge + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Schultz.
Issue
No recent description. See and Burns et al. (1995) for information on insemination.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; pH range: 6.0 - 7.5; dH range: ? - 20. Tropical; 20°C - 24°C (Ref. 12468)
South America: tributaries of Maracaibo Lake basin in Venezuela.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL mannelijk / geslacht onbekend; (Ref. 38597)
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Baensch, H.A. and R. Riehl, 1995. Aquarien Atlas. Band 4. Mergus Verlag GmbH, Verlag für Natur-und Heimtierkunde, Melle, Germany. 864 p. (Ref. 12468)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00653 - 0.03348), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).