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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 authors: Meek & Hildebrand.
Issue
No recent description. See Weitzman & Fink (1985), for clarification of type locality and Burns et al. (1995) for information on insemination.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Central America: Panama, Province Cerro-Azul and former Canal Zone, Frijoles River basin.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm SL hane/ej könsbestämd; (Ref. 34092)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Weitzman, S.H. and S.V. Fink, 1985. Xenurobryconin phylogeny and putative pheromone pumps in glandulocaudine fishes (Teleostei: Characidae). Smithson. Contrib. Zool. (SCZ), 24 Dec., No. 421:i-iii + 1-121. (Ref. 34092)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00635 - 0.03140), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).