Classificação / Names
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Characiformes (Characins) >
Iguanodectidae ("Lizard bite tetras")
Etymology: Bryconops: Greek, bryko = to bite + Greek, ops = appearance (Ref. 45335); magoi: Named for the memory of Dr. Francisco Mago-Leccia, pioneer of modern ichthyological studies in Venezuela..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Venezuela.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL macho/indeterminado; (Ref. 56366)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Diagnosis: Differs from its congeners, except collettei, by its unique color pattern, red coloration at the upper half of a diffuse caudal fin ocellus. Further distinguished from other species of the subgenus Bryconops by the following characters: pored lateral scales 43-47, modally 44 or 45 (vs. >57 in alburnoides, <31 in disruptus and durbini, and 44-48, modally 47 in collettei); pored lateral scales extending 2-3 scales beyond end of hypural plate onto caudal fin rays (vs. caudomaculatus, it reaches end of hypural plate and not onto caudal fin rays); snout length 5.8-8% SL, mean 6.8% (vs. 4.2-5.4%, mean 4.7% in collettei); length of anal fin base 24.8-27.9%, mean 26.6% (vs. 27.3-29.8% SL, mean 28.8% in collettei); and total vertebrae 40-42, modally 41-42 (vs. 42-44, modally 42-43 in collettei) (Ref. 56366).
Collected from a morichal with fast moving waters over sandy bottoms; often in water from mid-depth to the surface, at the center of the main channel, where it schools with other characid species. Feeds at the surface and attracted to allotochtonus material that falls into the water; also on several groups of terrestrial insects (Ref. 56366).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Chernoff, B. and A. Machado-Allison, 2005. Bryconops magoi and Bryconops collettei (Characiformes: Characidae), two new freshwater fish species from Venezuela, with comments on B. caudomaculatus (Günther). Zootaxa 1094:1-23. (Ref. 56366)
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=0.00912 (0.00294 - 0.02831), b=3.10 (2.85 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).