Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Orestiinae
Etymology: Orestias: After Orestes in the Greek mythology?.
Eponymy: Orestis or Orestes is a Greek name meaning “he who stands on the mountain”. [...] Jean Louis Rudolphe Agassiz (1807–1873) was a Swiss-American geologist, glaciologist and zoologist whose speciality was ichthyology. [...] (Ref. 128868), visit book page.
More on author: Valenciennes.
Issue
Correct spelling for the species requires further investigation. See nomenclatural details in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; non-migratory. High altitude
South America: Andean lakes of southeastern Peru, eastern Bolivia and northern Chile, including Lake Titicaca and the upper Amazon River basins.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm SL male/unsexed; (Ref. 137577)
Not a seasonal killifish. Is very difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., 2003. Cyprinodontidae (Pupfishes). p. 549-554. 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. 50471)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: commercial
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