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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.
Taxonomic Remarks
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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce benthopelagico; pH range: 6.0 - 7.8; dH range: ? - 20. Subtropical; 15°C - 22°C (Ref. 2060)
South America: Argentina and Brazil.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 3.9 cm SL maschio/sesso non determinato; (Ref. 37104)
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale; Acquario: Commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00390 - 0.02688), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec = 50).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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