分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes) >
Hypopomidae (Bluntnose knifefishes)
Etymology: Hypopygus: Greek, hypo = under + Greek, pyge = tail (Ref. 45335).
Eponymy: This is a toponym referring to La Neblina National Park, Amazonas, Venezuela, which is where Mago-Leccia first noticed the differences between this species and H. lepturus. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Several localities of southern Venezuela, including Atabapo and Negro rivers, the Casiquiare Canal and La Neblina National Park; also collected in the Rio Meta system in Colombia and some localities in Bolivia.
南美洲: 委內瑞拉南部的一些地點, 包括 Atabapo 與尼格羅河, Casiquiare 管與 La Neblina 國家公園; 在玻利維亞的哥倫比亞與一些局部地區也在 Rio Meta 系統收集了。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 12.2 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: 124 - 155. Anal fin rays 124-155; precaudal vertebrae 13-14; caudal vertebrae 66-71. Coloration pattern: dusky background with 18-26 saddle-like dark bands on middorsal between nape and end of anal fin; black margins usually present on pectoral fin rays. Snout 27-30% in head length; postorbital distance 60-67% in head length. Head with strongly convex anterior profile.
臀鳍棘条 124-155; 尾前椎 13-14; 尾部的脊椎骨 66-71. 颜色图案: 暗色的背景用 18-26个像鞍状斑一样的深色条纹背面中央的之上在后颈与臀鳍的末端之间; 黑色的边缘通常位于胸鳍鳍条之上。 吻 27-30% 分之一头长; 眼眶后的距离 60-67% 分之一头长。 头部有强烈中凸前面的轮廓。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 委內瑞拉南部的一些地點, 包括 Atabapo 與尼格羅河, Casiquiare 管與 La Neblina 國家公園; 在玻利維亞的哥倫比亞與一些局部地區也在 Rio Meta 系統收集了。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00198 - 0.01923), b=3.06 (2.81 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
