分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 6.5 - 7.8; dH range: 5 - 20. 熱帶; 20°C - 24°C (Ref. 2060)
South America: Orinoco, Amazon and La Plata basins.
南美洲: 奧里諾科河，亞馬遜河與 La Plata 流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 81048)
背棘 (总数) : 1; 背的软条 (总数) : 6; 臀棘: 0; 臀鳍软条: 14 - 15.
Mainly active at dusk. In captivity, it feeds on worms and insects (Ref. 7020).
主要活跃在薄暮。 吃蠕虫与昆虫。 (参考文献 7020)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Reproductive mode and guild assumed to be the same as congeners.南美洲: 奧里諾科河，亞馬遜河與 La Plata 流域。
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. 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. 36914)
人类利用
渔业: 高经济性; 水族馆: 高经济性
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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=0.00832 (0.00554 - 0.01249), b=2.94 (2.82 - 3.06), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.39 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
