分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Loricariidae (Armored catfishes)
甲鯰科 (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
生態學
; 淡水 居於水底的; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); 最大體重: 520.00 g (Ref. 111518)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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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=0.01380 (0.00751 - 0.02539), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
