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Centrarchiformes (Basses) >
Percichthyidae (Temperate perches) > Perciliinae
Etymology: Percilia: Greek, perke = perch (Ref. 45335).
Eponymy: William Glanton Irwin (1866–1943) was an Indiana philanthropist who sponsored the Indiana University’s ‘Irwin Expedition’ to Chile and Peru. [...] (Ref. 128868), visit book page.
More on author: Eigenmann.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Temperate
South America: Chile in streams and rivers of Malleco and Bio-Bio River basins.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 9.6 cm TL mannelijk / geslacht onbekend; (Ref. 36890); max. gerapporteerde leeftijd: 4 Jaren (Ref. 85453)
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Arratia, G., 2003. Perciliidae (South basses). p. 598. 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. 36890)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00466 - 0.03102), b=3.02 (2.80 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.43 se; based on food items. |
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Generation time |
1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |