Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale. Temperate; 38°N - 32°N
North America: Colorado River drainage from southwestern Wyoming to southern Arizona in the USA.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 56.0 cm TL maschio/sesso non determinato; (Ref. 5723); common length : 35.0 cm TL maschio/sesso non determinato; (Ref. 12193); peso massimo pubblicato: 920.00 g (Ref. 4699)
Adults inhabit rocky pools, runs and riffles of medium to large rivers. Less often found in creeks and small rivers.
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Pesce da pesca sportiva: si
Strumenti
Special reports
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Fonti Internet
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=0.01175 (0.00560 - 0.02463), b=2.99 (2.81 - 3.17), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.2 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.38-0.46).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).