分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Baryancistrus: Greek, barys = heavy + Greek, agkistron = hook (Ref. 45335).
More on author: Castelnau.
Issue
New combination with genus description by Rapp Py-Daniel (1989:245); Redescription based on possible syntypes by Regan (1904:235); see Santos et al. (1984:56, as ) and Stawikowski (1991:261) for coloration of living specimens and ecological notes.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 6.5 - 7.0; dH range: 8 - 10. 熱帶; 22°C - 24°C (Ref. 2059)
South America: Tocantins, Xingu, Tapajós and Trombetas River basins in Brazil.
南美洲: Tocantins , Xingu , Tapajos 與 Trombetas 河流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 34.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 111518); 最大体重: 520.00 g (Ref. 111518)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: Tocantins , Xingu , Tapajos 與 Trombetas 河流域。
Fisch-Muller, S., 2003. Loricariidae-Ancistrinae (Armored catfishes). p. 373-400. 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. 36713)
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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=0.01349 (0.00733 - 0.02481), b=2.96 (2.81 - 3.11), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).