|Scientific Name:||Trachurus symmetricus|
|Species Authority:||(Ayres, 1855)|
Caranx symmetricus Ayres, 1855
Decapterus polyaspis Walford & Myers, 1944
Trachurus picturatus subspecies symmetricus (Ayres, 1855)
Trachurus symmetricus subspecies symmetricus (Ayres, 1855)
|Taxonomic Notes:||Trachurus murphyi which occurs in the southern part of this region is the sister species of T. symmetricus.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Smith-Vaniz, B, Robertson, R. & Dominici-Arosemena, A.|
|Reviewer(s):||Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)|
This species is widespread in the northeastern Pacific. Although this species is commercially fished, including as bycatch, there is no current indication of widespread population decline. It is listed as Least Concern.
|Range Description:||This northeastern Pacific species is found from from Alaska to the tip of Baja.|
Native:Canada; Mexico; United States
|FAO Marine Fishing Areas:||
Pacific – eastern central; Pacific – northeast
|Lower depth limit (metres):||400|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||There is no population information available for this species. This species can be locally abundant.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||This pelagic oceanodromous species is often found offshore, up to 500 miles from the coast (Smith-Vaniz 1995) to depths of 400m. It forms large schools; the young frequently occur in schools near kelp and under piers (Eschmeyer et al. 1983). It feeds mainly on small crustaceans and fish larvae (Smith-Vaniz 1995). Large individuals often move inshore and north in the summer (Eschmeyer et al. 1983).|
|Movement patterns:||Full Migrant|
Although this species is caught in commercial fisheries, it is not thought to be experiencing any widespread population decline from the fishery.
This species is caught in commercial fisheries, sometimes as bycatch.This is an important sport fish, and is a bait fish. In the commercial fisheries it is caught with purse seines in mixed schools (Scomber japonicus). Also caught with round-hull nets.This species is utilized canned and fresh, and for fish meal.
Landing: mainly USA in area 77 - from 1,000 to 10,000. It is typically caught with seines.
|Conservation Actions:||There are no known species specific conservation measures.|
|Citation:||Smith-Vaniz, B, Robertson, R. & Dominici-Arosemena, A. 2010. Trachurus symmetricus. The IUCN Red List of Threatened Species 2010: e.T183729A8166054. http://dx.doi.org/10.2305/IUCN.UK.2010-3.RLTS.T183729A8166054.en . Downloaded on 09 October 2015.|
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