分类 / Names
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Teleostei >
Characiformes (Characins) >
Acestrorhynchidae (Smallscale pike characins) > Acestrorhynchinae
Etymology: Acestrorhynchus: Greek, agkistron = hook + Greek, rhyngchos = snout (Ref. 45335).
More on author: Eigenmann.
Issue
See Menezes 1969:78 for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Amazon and Orinoco River basins and rivers of Guyana.
南美洲: 蓋亞那的亞馬遜河與奧里諾科河河流域與河。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 6.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 38248)
A dark, longitudinal band extending from the tip of the snout through the base of the caudal fin; and snout long 42.8-48.0% HL, which distinguishes this species from all its congeners except some juvenile specimens of A. microlepis and A. falcatus (Ref. 52916).
一条深色又纵向的条纹延伸从吻尖经过尾鳍基底; 而且吻长的 42.8-48.0% HL, 除了 A. microlepis 与 A. falcatus 的一些幼年标本以外可用来区别来自它所有的同类的这种.(参考文献 52916)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 蓋亞那的亞馬遜河與奧里諾科河河流域與河。
Menezes, N.A., 2003. Family Acestrorhynchidae (Acestrorhynchids). p. 231-233. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38248)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
工具
特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00338 - 0.01626), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).