Teleostei (teleosts) >
Centrarchiformes (Basses) >
Perciliidae (Southern basses)
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.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Temperate
South America: Chile in streams and rivers of Malleco and Bio-Bio River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm TL male/unsexed; (Ref. 36890); max. reported age: 4 years (Ref. 85453)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
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