Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes) >
Gymnotidae (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶; 22°C - 28°C (Ref. 13614)
South America: Southern part of Venezuela, including Territorio Amazonas and south of Estado Apure; also known from tributaries of Rio Negro in Brazil.
南美洲: 委內瑞拉的南部, 包括 Territorio Amazonas 與 Estado Apure 南方; 也已知來自在巴西的尼格羅河的支流。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 28.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26457)
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: 222 - 290; 脊椎骨: 96 - 99. Distance between tip of pectoral fin and origin of anal fin less than one pectoral fin length; dark oblique bands on body 18-30 (usually below 30); dark and pale oblique bands with straight borders; greatest body depth 7-11% in total length; eye diameter 33-43% of interocular distance; head length 68-78% of preanal fin distance; maximum scale rows above lateral line 12-13; precaudal vertebrae 31-32; caudal vertebrae 65-67.
胸鳍顶端与臀鳍起点少于一胸鳍长度之间的距离; 在身体 18-30 上的深色的斜纹;(通常在 30之下) 深色而灰白的斜纹有直的边缘; 最大的体高 7-11% 在全长中; 眼直径 33-43% 的眼间距离; 头长 68-78% 的肛门前的鳍距离; 最大的鳞片列在侧联机面 12-13; 尾前椎 31-32; 尾部的脊椎骨 65-67.
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 委內瑞拉的南部, 包括 Territorio Amazonas 與 Estado Apure 南方; 也已知來自在巴西的尼格羅河的支流。
Mago-Leccia, F., 1994. Electric fishes of the continental waters of America. Fundacion para el Desarrollo de las Ciencias Fisicas, Matematicas y Naturales (FUDECI), Biblioteca de la Academia de Ciencias Fisicas. Matematicas y Naturales, Caracas, Venezuela. vol. 29 . 206 p. (Ref. 26457)
CITES (Ref. 128078)
Not Evaluated
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
