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) >
Auchenipteridae (Driftwood catfishes)
頸鰭鯰科 (Driftwood catfishes) > Auchenipterinae
Etymology: Ageneiosus: Greek, a = without + greek, geneias, -ados = bear, chin (Ref. 45335).
More on author: Steindachner.
Issue
Redescribed in Walsh (pers comm., and 1990).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶
South America: Negro and lower Branco River basins in Brazil.
南美洲: 黑人與下游 Branco 河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 37098)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 黑人與下游 Branco 河流域。
Ferraris, C.J. Jr., 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. 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. 37098)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00341 - 0.01611), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming tm=1-2, Fec>1,000).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).