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); diamantinensis: Named for the municipality of Diamantino (Mato Grosso State, Brazil)..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶
South America: Tapajós River basin in Brazil.
南美洲: 巴西。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 42925)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
臀鰭軟條: 194 - 211. Branched anal-fin rays posterior to ray 18 or 19 with an additional bifurcation at posterior branch; small to moderate irregular or rounded dark blotches scattered over a brownish to gray background found on the anterior half of body, with alternate transverse dark and light bands mainly extending through posterior third of body length (Ref. 42925).
分枝的臀鰭棘條後面鰭條 18 或者 19 在在後部的分支有一個附加的分叉; 小到中等的不規則或圓形的黑色斑塊散佈在一褐色的對灰色的背景發現於前半部的身體, 具有交互的橫跨深色的與淡色的條紋主要地延伸過體長的後面三分之一.(參考文獻 42925)
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: 巴西。
Campos-da-Paz, R., 2002. Gymnotus diamantinensis, a new species of electric knifefish from upper rio Arinos basin, Brazil (Ostariophysi: Gymnotidae). Ichthyol. Explor. Freshwat. 13(2):185-192. (Ref. 42925)
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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): 3.2 ±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 (10 of 100).
