Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Orestiinae
Etymology: Orestias: After Orestes in the Greek mythology?; piacotensis: Named for its type locality, Laguna Piacota, the only place where it is found.
Eponymy: Orestis or Orestes is a Greek name meaning “he who stands on the mountain”. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Tầng nổi. Tropical
South America: Chile.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.6 cm SL con đực/không giới tính; (Ref. 57710)
A mid-water fish that feeds mainly on plankton (boechellid copepods and microalgae (Ref. 57710).
Life cycle and mating behavior
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Vila, I., 2006. A new species of killifish in the genus Orestias (Teleostei: Cyprinodontidae) from the southern high Andes, Chile. Copeia 2006(3):472-477. (Ref. 57710)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Mức dinh dưỡng (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).