Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Subtropical; 43°N - 36°N
North America: Pacific Slope of USA from Mad River in north California to Salinas River in central California; throughout Sacramento-San Joaquin drainage from Goose Lake in Oregon to Kern River in California. Four susbpecies were recognized, but in need of study.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 60.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 35.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 10 år (Ref. 72464)
Occurs usually in pools of clear, cool streams. Also found in lakes and impoundments (Ref. 86798).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
IUCN Red List Status (Ref. 130435: Version 2024-1)
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): 2.8 ±0.2 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
