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); tigre: Specific epithet from the common name used in the local aquarium trade referring to the tiger-like markings (Ref. 49716).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Río Amazon basin, Río Pastaza basin in Ecuador to the Tapajós basin in Brazil.
南美洲: Rio 亞馬遜河流域, 在厄瓜多到的 Rio Pastaza 流域在巴西的 Tapajos 流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 41.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 49716)
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: 190 - 240. Presence of irregular pale-yellow blotches on chin, behind and under eyes, over opercle, and between eyes; pale yellow bands on body with straight, high contrast margins, as broad or broader than brown bands anteriorly; obliquely oriented hyaline and dark stripes at caudal end of anal fin (Ref. 49716).
出现在下巴上的不规则的白黄色的斑块,在眼后上方,在鳃盖之上, 与在眼之间; 在身体有直联机的白黄色的条纹,高度地对比边缘, 当宽或较宽的超过褐色条纹前面地; 在臀鳍的尾部末端的斜向透明而深色的斑纹.(参考文献 49716)
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Rio 亞馬遜河流域, 在厄瓜多到的 Rio Pastaza 流域在巴西的 Tapajos 流域。
Albert, J.S. and W.G.R. Crampton, 2003. Seven new species of the neotropical electric fish Gymnotus (Teleostei, Gymnotiformes) with a redescription of G. carapo (Linnaeus). Zootaxa 287:1-54. (Ref. 49716)
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 = 0.5000 [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): 3.4 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
