Pacific Jack Mackerel


The Pacific Jack Mackerel, scientifically known as Trachurus symmetricus, is‍ a species of mackerel belonging to the Carangidae family. This pelagic fish⁣ is commonly found in the⁢ eastern Pacific Ocean.

Conservation Status

The Pacific Jack Mackerel is not currently listed as a threatened or endangered species. Conservation​ efforts for this⁤ species are generally ​centered around sustainable fishing practices ​to maintain healthy population levels.


Statistic Average Range
Length 50 cm 30 – ‍70 cm
Weight 1 kg 0.5 – ‍2.5 kg
Average Lifespan 12‍ years N/A


Pacific⁣ Jack Mackerel is widely distributed throughout the eastern Pacific Ocean,‍ including the‌ waters‌ of Alaska,⁢ USA and Baja California, ​Mexico. Migration ⁤patterns typically involve moving to ​cooler waters during the summer months.


This species thrives in the open⁤ ocean and prefers subtropical waters. They generally dwell within a depth range of 1 – 275 metres and can ​tolerate temperatures ranging between 14 – 17°C.

When and ⁤Where to See

Pacific Jack Mackerel can be spotted throughout the year,‍ although sightings are more common during the⁣ warmer months. They are typically active during the day.

Best Fishing Locations

Top locations to find Pacific Jack Mackerel:

  • Monterey Bay, California, USA
  • San Francisco Bay, California, USA
  • San⁢ Diego, ⁢California, USA
  • Puget Sound, Washington, USA
  • Prince ⁢William Sound,⁤ Alaska, USA
  • Gulf of California, Mexico

In ⁣absence ​of specific locations, the mackerel can ‍usually be found in areas with warmer, clear waters.

How to Catch

Fishing for Pacific Jack Mackerel is often done using ‌bait such as anchovies, squid, or sardines. Methods ‍such as ⁣trolling ⁤and bottom‌ fishing are commonly used.⁣ The mackerel can be caught throughout the day, although ⁤early morning and late‍ afternoon ⁢are⁤ often the most productive times.

Identification Guide

Pacific Jack Mackerel are generally silver ​in color with dark blue⁣ or greenish back and⁤ are distinguished by​ a series of scutes along the lateral line. Their streamlined body and forked tail​ fins differentiate them from similar‌ species.

Culinary Uses

Grilled or smoked Pacific ⁣Jack Mackerel is considered a delicacy due to its firm, flavorful flesh. It is ⁢rich in omega-3 fatty acids and is often used in ​recipes such as fish tacos and seafood salads.

Additional⁢ Information

This species tends to school by size, often in mixed species groups.​ They feed primarily on ⁤zooplankton, small fish, and ⁢squid. Natural‍ predators include tunas,‌ marlins, ‌and seabirds. Threats from humans include overfishing ‍and bycatch in commercial fisheries.

Historically, Pacific Jack Mackerel has ‍been a significant food source for⁣ coastal communities ⁢and​ continues to⁣ be valued for both its commercial and recreational fishing potential.

References and Further Reading