>
Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Astrodoradinae
Etymology: Physopyxis: Greek, physa = bellows + Greek, pyxis,-idos = box (Ref. 45335).
More on author: Cope.
Issue
Smallest known species of Doradidae.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة القاع. Tropical; 23°C - 26°C (Ref. 13614)
South America: Amazon and Essequibo River basins.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 3.5 cm SL ذكر/ مختلط الجنس; (Ref. 37054)
Usually inhabits places with accumulated organic debris, like dense meshes of roots of floating macrophytes which are abundant in rivers with turbid water (Ref. 56903).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. 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. 37054)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
أدوات
تقارير خاصة
Download XML
مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
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).
مستوى غذائي (مرجع
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈
