Common names from other countries
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: Cope.
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. Also found in Rio Negro basin (Ref. 52916).
南美洲: 亞馬遜河與奧里諾科河河流域。 也發現於尼格羅河流域。 (參考文獻 52916)
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 40.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 111115)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Bifurcated canals of the lateral line scales; 52 scale rows between the lateral line and base of the dorsal fin; and 31-35 scale rows between the lateral line and the base of the anal fin (Ref. 52916).
分叉了側線鱗片的管; 在側線與背鰭基底之間的 52 鱗片列; 而且在臀鰭的側線與基底之間的 31-35 鱗片列.(參考文獻 52916)
Inhabits clear and black-water rivers (Ref. 52916). Feeds on fishes (Ref. 598).
棲息於清澈而黑水的河。 (參考文獻 52916) 吃魚。 (參考文獻 598)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 亞馬遜河與奧里諾科河河流域。 也發現於尼格羅河流域。 (參考文獻 52916)
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: 07 February 2020
CITES (Ref. 128078)
Not Evaluated
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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=0.00692 (0.00401 - 0.01194), b=3.14 (2.99 - 3.29), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).