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Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); ucamara: Named for the geological term 'Ucamara Depression' describing the low-lying region between the lower reaches of the Ucayali and Marañon Rivers caused by subsidence in the upper Amazon foreland basin (Ref. 49730).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: known only from the lowland Rio Ucayali basin in Peru.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm TL macho/indeterminado; (Ref. 49730)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais (total) : 0; Raios anais : 220 - 245. Color pattern with 18-24 dark brown bands separated by narrow pale interbands which are less than one-third the width of the dark bands (Ref. 49730).
Facultative air-breathing in the genus (Ref. 126274); Collected from static, vegetation-choked shallow water (Ref. 49730). Feeds on aquatic invertebrates (Ref. 49730).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Crampton, W.G.R., N.R. Lovejoy and J.S. Albert, 2003. Gymnotus ucamara: a new species of neotropical electric fish from the Peruvian Amazon (Ostariophysi: Gymnotidae), with notes on ecology and electric organ discharges. Zootaxa 277:1-18. (Ref. 49730)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.4 ±0.43 se; based on food items.
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).