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) >
Loricariidae (Armored catfishes)
甲鯰科 (Armored catfishes) > Hypostominae
Etymology: Pterygoplichthys: Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish (Ref. 45335).
Eponymy: Dr Juan Bautista Ambrosetti (1865–1917) was an Argentinian archaeologist, anthropologist and naturalist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 6.5 - 8.2; dH range: ? - 25. 21°C - 24°C (Ref. 2060)
South America: Paraguay, middle Paraná, Bermejo and Uruguay River basins.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 24.3 range ? - ? cm
Max length : 54.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 115169); 55.0 cm TL (female); 最大體重: 2.3 kg (Ref. 115169); 最大體重: 2.3 kg
Facultative air-breathing (Ref. 126274)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 25 November 2020
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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=0.03236 (0.01997 - 0.05245), b=2.87 (2.74 - 3.00), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
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): Moderate vulnerability (42 of 100).
