分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchella: Greek, sternon = sternon, + Greek, diminutive, archos = anus (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Orinoco River basin, mostly in the channel of main rivers.
南美洲: 奧里諾科河河流域, 大部份在主要河川的峽道中。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 36886)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 0; 臀鳍软条: 165 - 178. Slightly superior mouth; 165-178 anal rays; dorsal profile slightly convex to almost straight; body depth 12-15% in length to end of anal fin (LEA) and 14-17% of anal fin base; eye diameter and interocular distance 6-8% and 13-17% in head length, respectively; anal fin origin below base of pectorals or slightly forward, but not beyond gill opening; head depth at nape, 62-71% in head length.
些微上方的嘴; 165-178个臀鳍鳍条; 背面轮廓些微中凸到几乎直的; 体高 12-15% 长臀鳍 (LEA) 与 14-17% 的臀鳍基底结束; 眼直径与眼间距离 6-8% 与 13-17% 分之一头长, 分别地; 在胸鳍基底之下的臀鳍起源或些微地向前, 但是不超过鳃裂; 在后颈， 62-71% 分之一头长的头部深度。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 奧里諾科河河流域, 大部份在主要河川的峽道中。
Evans, K.M., W.G.R. Crampton and J.S. Albert, 2017. Taxonomic revision of the deep channel electric fish genus Sternarchella (Teleostei: Gymnotiformes: Apteronotidae), with descriptions of two new species. Neotrop. Ichthyol. 15(2):1-30. (Ref. 126780)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00145 - 0.00871), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
