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) >
Heptapteridae (Three-barbeled catfishes)
七鰭鯰科 (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
生態學
; 淡水 居於水底的; 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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 81048)
背棘 (總數) : 1; 背的軟條 (總數) : 6; 臀棘: 0; 臀鰭軟條: 14 - 15.
Mainly active at dusk. In captivity, it feeds on worms and insects (Ref. 7020).
主要活躍在薄暮。 吃蠕蟲與昆蟲。 (參考文獻 7020)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 07 November 2018
人類使用
漁業: 高經濟性; 水族館: 高經濟性
工具
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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 - 0.01248), b=2.93 (2.81 - 3.05), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.39 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
