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 authors: Müller & Troschel.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Guyana and French Guiana (Ref. 36914); reported from Peru (Ref. 6329) and Argentina (Ref. 9086) and Suriname (Ref. 59052).
南美洲: 蓋亞那，祕魯，法屬圭亞那與阿根廷.(參考文獻 9086)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6868)
Occurs over sand in creeks and rivers. Very voracious (Ref. 27188). The genital tracts are organized like those of Rhamdia. Eye size changes according to sex (Ref. 35381).
在小溪與河中生活在沙子之上。 非常狼吞虎嚥的.(參考文獻 27188) 生殖道像 Rhamdia 的被組織。 眼睛大小改變根據性別。 (參考文獻 35381)
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 (Ref. 56810).南美洲: 蓋亞那，祕魯，法屬圭亞那與阿根廷.(參考文獻 9086)
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: 01 March 2007
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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=0.00912 (0.00583 - 0.01426), b=2.92 (2.79 - 3.05), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.55 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (31 of 100).
