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) >
Hypopomidae (Bluntnose knifefishes)
無齒刀魚科 (Bluntnose knifefishes)
Etymology: Brachyhypopomus: Greek, brachys, eia = short + Greek, hypo = under + Greek, poma, -atos = cover (Ref. 45335); pinnicaudatus: Specific name is derived from the Latin pinna, meaning feather, and caudatus, meaning tailed, because of the distinctive compressed and "feather-like" appearance of the caudal filament of the male..
Issue
Ecology: Low conductivity, stagnant water, hypoxic-anoxic habitats, associated with emergent and floating vegetation.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: eastern South America from the Catatumbo River basin, Orinoco and the Guianas to La Plata River basin; Amazon River basin in Peru.
南美洲: 東方的南美洲從 Catatumbo 河流域, 奧里諾科河與 La Plata 河流域的圭亞那; 在祕魯的亞馬遜河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 18.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 37053)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
臀鰭軟條: 180; 脊椎骨: 81.
Facultative air-breathing in the genus (Ref. 126274); Low conductivity, stagnant water, hypoxic-anoxic habitats, associated with emergent and floating vegetation (Ref. 37053). Encountered in shallow edges of a stream (Ref. 75964). Maximum length reported to reach 20 cm SL (Ref. 12202).
低的導電率，污濁的水 , 缺氧的棲息地, 伴隨著突出與漂浮的植物了。 (參考文獻 37053) 最大的長度報告達到 20 公分 SL 。 (參考文獻 12202)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 東方的南美洲從 Catatumbo 河流域, 奧里諾科河與 La Plata 河流域的圭亞那; 在祕魯的亞馬遜河流域。
Albert, J.S., 2003. Hypopomidae (Bluntnose knifefishes). p. 494-496. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37053)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 01 September 2020
人類使用
漁業: 商業性; 水族館: 商業性
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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=0.00380 (0.00145 - 0.00994), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (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).
