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) >
Doradidae (Thorny catfishes)
陶樂鯰科 (Thorny catfishes) > Astrodoradinae
Etymology: Physopyxis: Greek, physa = bellows + Greek, pyxis,-idos = box (Ref. 45335); cristata: From the Latin cristatus, meaning crested, in allusion to the externally visible series of emergent neural spines.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 居於水底的.
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Rio Negro basin of the Amazon drainage in Brazil.
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 2.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 56903)
Found in waters with accumulated leaf litter (Ref. 56903).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Sousa, L.M. and L.H. Rapp Py-Daniel, 2005. Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae). Neotrop. Ichthyol. 3(4):625-636. (Ref. 56903)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.00912 - 0.05752), b=2.83 (2.61 - 3.05), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.9 ±0.2 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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