分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335); singularis: The specific name refers to the singular and striking aspect of this species.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性.
South America: Cinaruco River, Orinoco River basin in Venezuela.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 3.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 77139)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 11 - 12; 臀鳍软条: 20 - 21; 脊椎骨: 33. Distinguished from all other species of the genus in having the following characters: top of the head flat; dentary with six or seven slight unicuspid teeth; a dark lateral band extending from posterior edge of the usually diffuse humeral spot to the base of caudal fin, and that widens and strengthens in intensity posteriorly at point beneath dorsal fin origin; and five supraneural bones without cartilage on either upper or lower edges and without cartilage on all structures (Ref. 77139).
Body shape (shape guide): fusiform / normal.
An omnivorous fish which feeds on aquatic insects, snails, seeds and aquatic plants (Ref. 77139).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Román-Valencia, C., D.C. Taphorn B. and R.I. Ruiz-C., 2008. Two new Bryconamericus: B. cinarucoense n. sp. And B. singularis n. sp. (Characiformes, characidae) from the Cinaruco River, Orinoco Basin, with keys to all Venezuelan species. Anim. Biodivers. Conserv. 31(1):15-27. (Ref. 77139)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00599 - 0.03330), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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