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Teleostei (teleosts) > Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology:

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; benthopelagic; anadromous (Ref. 51243); depth range 0 - 100 m (Ref. 50610). Temperate; 50°N - 42°N

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Northwest Pacific: Sea of Japan, from southern Kuril Islands and Primorskii Krai, Russia to Hokkaido.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 559); common length : 50.0 cm TL male/unsexed; (Ref. 559); max. published weight: 24.0 kg (Ref. 56527); max. reported age: 16 years

Usually inhabits lower and middle reaches of rivers and lakes. A sea-run form is found in the eastern coast of Hokkaido. Young feed mainly on aquatic insects while fishes more than 30 cm are completely piscivorous. Spawns in spring in river branches, where the female lays 2,000-10,000 eggs on sandy or gravelly bottom.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A4abcd); Date assessed: 31 January 2006

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquaculture: experimental

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 1.6 - 9, mean 6.1 °C (based on 30 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00741 (0.00437 - 0.01257), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 4.5 ±0.5 se; based on diet studies.

Generation time: 22.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Resilience (Ref. 120179): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (79 of 100).

Price category (Ref. 80766): Very high.

Parahucho perryi (Brevoort, 1856)