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: Cuvier.
Issue
See Menezes for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 5.2 - 7.2; dH range: 5 - 18. 熱帶; 24°C - 28°C (Ref. 2060)
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。 也發現於奧里諾科河- 尼格羅河的 drainges 上游。 (參考文獻 52916)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 111115)
Presence of black fringe on the posterior edge of the operculum, especially on the dorsal half, that creates the appearance of a dark "collar"; scales on lateral line 140-175; and presence of single branched lateral line canals (Ref. 52916).
出現在鰓蓋的後緣上的黑色穗邊,尤其在背部一半上，那創造深色 " 頸圈 " 的外表; 在側線 140-175 上的鱗片; 而且有單一分枝的側線管.(參考文獻 52916)
Found in clear and black waters (Ref. 52916). Voracious predator.
發現於清澈與黑色的水域了。 (參考文獻 52916) 狼吞虎嚥的掠食者。
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。 也發現於奧里諾科河- 尼格羅河的 drainges 上游。 (參考文獻 52916)
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 13 February 2020
人類使用
漁業: 商業性; 水族館: 公眾的水族館
工具
特別的報告
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網路資源
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=0.00676 (0.00446 - 0.01025), b=3.06 (2.94 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±0.63 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 (42 of 100).
