Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; sötvatten bottenlevande. Temperate; 40°N - 37°N
North America: Lahontan basin in southeastern Oregon, Nevada and northeastern California, USA. Recently established naturally or through introduction into upper Sacramento River system in California.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 61.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 27.5 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 15 år (Ref. 12193)
Occurs in various habitats but most common in large lakes such as Lake Tahoe and Pyramid Lake in Nevada, USA. Also found in pools along lower reaches of streams.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.00525 (0.00220 - 0.01254), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (tmax=15).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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