分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes)
電鰻目 (Knifefishes) >
Gymnotidae (Naked-back knifefishes)
裸背電鰻科 (Naked-back knifefishes) > Gymnotinae
Etymology: Gymnotus: Greek, gymnos = naked (Ref. 45335); esmeraldas: Named after the Río Esmeraldas (Ref. 49716).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Río Esmeraldas and the Río Palenqué, Guayaquil basin.
南美洲: Rio 埃斯梅拉達與 Rio Palenque ，惠夜基流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 49716)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 0; 臀鰭軟條: 226 - 260. Absence of alternating dark and light pigment bands on the anterior 80% of the body. Specimens from the Río Esmeraldas basin with a unique speckled color patter composed of irregular pale yellow or cream-colored patches interspersed on a dark brown ground color over most body and anal fin surfaces, in which the pale pigment patches are abut 2-3 scales in width and height (Ref. 49716).
在前面的 80% 的身體上沒有交互的深色與淡的有顏色條紋。 標本從 Rio 埃斯梅拉達流域具有一個由在大多數的身體與臀鰭表面上的一個深褐色的底色上被散佈的不規則白黃色或者奶油色的區塊組成的獨特的有斑點的彩色急速拍打聲, 在那裡灰白的有顏色區塊是寬度鄰接 2-3個鱗片與高度.(參考文獻 49716)
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Rio 埃斯梅拉達與 Rio Palenque ，惠夜基流域。
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)
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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).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
