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) >
Acestrorhynchidae (Smallscale pike characins)
狼牙脂鯉科 (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
生態學
; 淡水 底中水層性. 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.9 cm SL 雄魚/尚未辨別雌雄; (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).
一條深色又縱向的條紋延伸從吻尖經過尾鰭基底; 而且吻長的 42.8-48.0% HL, 除了 A. microlepis 與 A. falcatus 的一些幼年標本以外可用來區別來自它所有的同類的這種.(參考文獻 52916)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 13 February 2020
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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=0.00631 (0.00289 - 0.01377), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
