Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); mikrostiktos: Name from the Greek 'mickros' for small and 'stiktos' for spot, referring to the small humeral spot; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Tropical
South America: Río Aguaytía, upper río Ucayali drainage in Peru.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL con đực/không giới tính; (Ref. 85819)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các vây lưng mềm (tổng cộng) : 8; Tia mềm vây hậu môn: 18 - 20; Động vật có xương sống: 40 - 41. This species is distinguished from its congeners by the size of the humeral spot (2-3 vs. 4-9 horizontal series of scales), number of scale rows below of the lateral line (3-4 vs. 4-8), and total number of pelvic-fin rays (7 vs. 8); differs from most congeners by the number of branched anal-fin rays (18-21 vs. 21-34, and 17 in H. tridens), except H. beni and H. helleri; differs from H. beni and H. helleri by the number of lateral line scales (40-42 vs. 44-53 and 42-44) (Ref. 85819).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Bertaco, V.A. and L.R. Malabarba, 2010. A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species. Neotrop. Ichthyol. 8(4):737-770. (Ref. 85819)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00372 - 0.01775), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).