Classification / Names
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Actinopterygii (ray-finned fishes) >
Salmoniformes (Salmons) >
Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335).
Environment / Climate / Range
Ecology
Freshwater; demersal. Temperate; 37°N - 36°N
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 71.0 cm TL male/unsexed; (Ref. 5723); common length : 29.8 cm TL male/unsexed; (Ref. 12193); max. published weight: 5.0 kg (Ref. 4699); max. reported age: 7 years (Ref. 12193)
North America: Upper Kern River basin, Tulare and Kern counties in California, USA. Two recognized subspecies: Oncorhynchus aguabonita gilberti in Main and Little Kern rivers; Oncorhynchus aguabonita aguabonita in South Fork Kern River.
Inhabits clear, cool headwaters, creeks, and lakes at elevations above 2100 m. Oviparous (Ref. 205). Eggs are buried in unguarded nests (Ref. 205).
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Harmless
Human uses
Gamefish: yes
More information
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Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00737 (-0.13739 - 0.15214), b=3.10 (3.01 - 3.18), based on LWR estimates for species & genus-BS (Ref.
93245).
Trophic Level (Ref.
69278): 3.3 ±0.45 se; Based on food items.
Resilience (Ref.
69278): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7).
Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100) .