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Characiformes (Characins) >
Lebiasinidae (Pencilfishes) > Pyrrhulininae
Etymology: Pyrrhulina: Greek, pyrrhos = red, with the colour of the fire (Ref. 45335).
Eponymy: Arthur Rachow (1884–1960) was a self-taught pioneer German aquarist. [...] (Ref. 128868), visit book page.
More on author: Myers.
Issue
This species is a synonym of Pyrrhulina australis Eigenmann & Kennedy, 1903 in Eschmeyer (CofF ver. May 2011: Ref. 86870) following Zarske & Géry (2004). Ongoing revision will resolve potential taxonomic problems.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة; pH range: 6.0 - 7.8; dH range: ? - 20. Subtropical; 15°C - 22°C (Ref. 2060)
South America: Argentina and Brazil.
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 3.9 cm SL ذكر/ مختلط الجنس; (Ref. 37104)
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
The male only tends the clutch which is usually located on a leave for about 20 hours. The eggs then fall to the ground where they hatch after 10 more hours.
Weitzman, M. and S.H. Weitzman, 2003. Lebiasinidae (Pencil fishes). p. 241-251. 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. 37104)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: تجاري; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00409 - 0.02444), b=3.19 (2.98 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec = 50).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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