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) >
Trichomycteridae (Pencil or parasitic catfishes)
毛鼻鯰科 (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335).
More on author: Valenciennes.
Issue
The species Pygidium quechuorum Steindachner, 1900 is considered as valid in Eschmeyer (CofF ver. May 2011: Ref. 86870) following Fernández & Chuquihuamaní (2007: Ref. 58750).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶
South America: High-altitude lakes and streams in the central Andean range (including Lakes Titicaca and Poopó), from Lake Junin in the north to Chilean region of Tarapacá in the south, spanning western Bolivia, Peru and northern Chile.
南美洲: 在中央的安第斯山脈的範圍 (包括湖 Titicaca 與 Poopo) 中的高海拔湖泊與溪流, 從湖 Junin 在那在南方中北至 Tarapaca 的智利的區域, 跨越玻利維亞，祕魯與智利北部西部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 37.4 cm TL 雄魚/尚未辨別雌雄; (Ref. 39970)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 在中央的安第斯山脈的範圍 (包括湖 Titicaca 與 Poopo) 中的高海拔湖泊與溪流, 從湖 Junin 在那在南方中北至 Tarapaca 的智利的區域, 跨越玻利維亞，祕魯與智利北部西部。
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
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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=0.00851 (0.00355 - 0.02043), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
