分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes) >
Hypopomidae (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
生态学
; 淡水 底中水层性. 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 18.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 37053)
简单描述
检索表 | 型态特徵 | 形态测量图
臀鳍软条: 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).
低的导电率，污浊的水 , 缺氧的栖息地, 伴随着突出与漂浮的植物了。 (参考文献 37053) 最大的长度报告达到 20 公分 SL 。 (参考文献 12202)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
人类利用
渔业: 商业性; 水族馆: 商业性
工具
特别资料
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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).
营养阶层 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
