分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); brevispini: Derived from the Latin brevi (short or reduced) and spini (hook), in reference to the presence of tiny hooks on all fins.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 5.8 - 8.0. ? - 25°C (Ref. 83513)
South America: La Venada Creek, Quindío-Santo Domingo River system, upper Cauca, Colombia.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 7.6 range ? - ? cm
Max length : 9.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 83513)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 10; 脊椎骨: 39 - 41. Diagnosed from all other species of the genus in having an elongate projection on fourth ventral neural arc near the first neural postzygoapophysis and a very reduced hooks on all fins and the posterior end of dorsal lobe of the caudal fin (Ref. 83513).
Found in a creek characterized by an average dissolved oxygen of 5-8 mg/l and a relative humidity of 71-100%, conductivity of 301-367 us/cm, surface temperature of 18.5-24.5°C, and pH 5.8-8.0 (Ref. 83513).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Román-Valencia, C. and D.K. Arcila-Mesa, 2009. Two new species of Hemibrycon (Characiformes, Characidae) from the Magdalena River, Colombia. Animal Biodiversity and Conservation 32(2):77-87. (Ref. 83513)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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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=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
