Actinopteri (ray-finned fishes) > Cyprinodontiformes
(Rivulines, killifishes and live bearers) > Cyprinodontidae
(Pupfishes) > Orestiinae
Etymology: Orestias: After Orestes in the Greek mythology?. More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; non-migratory. High altitude; 15°S - 17°S
South America: Lake Titicaca in Bolivia and Peru. Reported to be extinct (Ref. 7301).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 27.0 cm TL male/unsexed; (Ref. 27139)
Lake dwelling carnivore feeding on plankton and microinvertebrates in the littoral zone; competing for food and space with Basilichthys bonariensis, an introduced species, which endangers it of extinction (Ref. 7301). Not a seasonal killifish (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. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.41 se; based on food items.
Vulnerability (Ref. 59153
): Moderate vulnerability (38 of 100) .