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) >
Rhamphichthyidae (Sand knifefishes)
刀魚科 (Sand knifefishes)
Etymology: Gymnorhamphichthys: Greek, gymnos = naked + Greek. Rhamphos = beak, bill + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; dH range: 1 - 1. 熱帶; 25°C - 28°C (Ref. 13614)
South America: Amazon, upper Paraná, and Orinoco River basins and coastal rivers of the Guianas.
南美洲: 圭亞那的亞馬遜河， Parana 上游與奧里諾科河河流域與沿海的河川。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 13614)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 圭亞那的亞馬遜河， Parana 上游與奧里諾科河河流域與沿海的河川。
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 18 November 2020
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00174 (0.00078 - 0.00388), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
