分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); cairoensis: Named for its type locality, El Cairo in the state of Risaralda, Colombia.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 8.0 - 8.0. ? - 20°C (Ref. 83513)
South America: Los Ramirez and Italica Creeks in the Risaralda River system, upper Cauca, Colombia.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 83513)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 10; 脊椎骨: 39 - 40. Diagnosed from other members of the genus in possessing nine proximal pterygiophores (including the terminal piece) on dorsal fin. Differs further from Hemibrycon species from the upper and middle Cauca rivers by having 43-46 pored lateral-line scales (Ref. 83513).
Inhabits creeks with brown water and substrate of stone and sand. The creeks are characterized by having 18.3-20.3°C surface temperature, 7.6-9.7 mg/l dissolved oxygen and 104-127% saturation, pH 8, and 2-4 m width (Ref. 83513).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
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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).
营养阶层 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
