Sierra Mackerel


The Sierra Mackerel, scientifically known as Scomberomorus sierra, is a member of the Scombridae family, which includes a wide variety of other pelagic fishes like​ tunas and bonitos. This high-speed swimmer is a popular target for sport fishing due to its fast and vigorous action when hooked.

Conservation Status

The Sierra Mackerel‍ is currently unassessed by the⁢ International Union for⁣ Conservation of Nature (IUCN), but it is subject to fishing regulations in different regions, which aim to maintain sustainable populations and prevent overfishing.

Conservation Efforts

There have been various conservation efforts initiated by government bodies and non-profit organizations to ensure‍ the sustainability of the‌ Sierra ⁤Mackerel population. This includes regulation of commercial and sport fishing, habitat conservation, and educating⁤ fishers on safe catch and release practices.


Factor Average Range
Length 75 cm 30-100 cm
Weight 5 kg 1-10 kg
Average Lifespan 8-10 years
Maturity Age 2-3 years


The Sierra Mackerel is generally found in the Pacific⁢ Ocean. Its range ⁢extends ‍from Mexico and Peru in the eastern Pacific to ⁤Japan in the western‍ Pacific. It is also found in the waters around the Galapagos Islands.

Migration Patterns

Sierra Mackerel are​ known to spawn in⁤ tropical and subtropical waters, migrating to cooler waters to feed during the warmer months.


Sierra Mackerel​ inhabit both‌ deep oceanic‌ waters as well​ as shallower coastal ‌waters, and can typically be ‌found between the surface and depths of 50 meters. They prefer relatively warm waters​ and often inhabit areas where water temperatures ⁢range from 18-28 degrees Celsius.

When and Where ⁣to See

  • Seasonal Patterns: Sierra Mackerels are most often sighted during the warmer months, particularly from late spring through ‍to early autumn.
  • Time of Day: They are most active during the daylight hours and can ‍often‍ be ⁢seen feeding near the surface.

Best Fishing Locations

  • Sea of Cortez, ​Mexico
  • Pacific Coast, Peru
  • Pacific Coast, ​Ecuador
  • Coast of Guatemala
  • Northwestern Hawaii Islands, USA
  • South China​ Sea
  • Andaman Sea, Thailand
  • Southern Australia
  • Western Coast, Japan
  • New Zealand waters

How to Catch

  • Preferred Bait⁢ or Lures: Sierra Mackerel usually preys on smaller baitfish, squid, and shrimp, and‌ therefore ⁢these can be used as bait. ‌They also‌ tend to react well to silver lures.
  • Fishing Techniques: This species is‍ often ⁢caught using techniques like trolling, spin casting,⁤ and ‍fly fishing. It’s also possible to catch them using⁢ nets.
  • Best Time of Day ⁢or‍ Season for Fishing: ⁢The best time⁣ to catch Sierra Mackerel is during daylight‍ hours⁢ in the warmer months of the year.

Identification Guide

Sierra Mackerel ⁢are characterized by their streamlined bodies which are⁤ primarily silver⁢ with a blue-green back.⁣ They also have several evenly spaced, round black⁢ spots just behind their dorsal (back) fin. To distinguish them from similar species, observe their shape‌ and the arrangement of their fins.


Sierra Mackerel ⁣is known for its full flavor and firm, flaky texture,‍ making it a good choice ⁤for grilling, baking, barbecuing, or frying. With its high⁢ protein content and healthy omega-3 fatty acids, it’s not only a delicious choice but also a⁢ nutritious one.

Nutritional Information

Nutrient per 100g Value
Calories 205
Protein 22 g
Fat 13.89 ‌g
Cholesterol 50 mg
Sodium 90 mg


  • Mackerel Fillets⁤ with Lemon ‍and Capers
  • Grilled Mackerel with Mango Salsa
  • Baked Mackerel with Herb Butter
  • Pan-fried Mackerel with Chilli ⁣& Lime

Additional Information

Sierra Mackerel ‌are known to be fast, agile swimmers and are considered a highly efficient predator ​of smaller marine life. Predators of Sierra Mackerel include larger fish species​ like ‍marlin and sharks, as well as human anglers. They have a significant role in a⁣ number of marine food chains.


The Sierra Mackerel has an ⁣advanced sense of sight and can detect ​the movement of prey from a distance.⁣ The species often sticks together in⁤ schools, especially when migrating, with younger ⁣individuals ‍sticking ⁣closer ‌to the coast while mature ones venture into⁢ deeper waters.

Predators and Threats

The main natural predators of the Sierra Mackerel are large ‍marlin and sharks, while⁢ humans are the primary threat due to commercial and recreational fishing.

Cultural/Historical Significance

In certain coastal communities,⁢ the Sierra Mackerel plays an integral role in ⁣local fishing traditions and its annual migration is a significant event. It is often part of cultural exchanges, rituals,⁢ and⁣ festivities, emphasizing its importance in local history and⁢ culture.

References and Further Reading

  • Myers, R. F. (1991). Micronesian reef fishes. Coral Press.
  • Randall, J. E. ⁤(2005). Reef and Shore Fishes of the South ⁤Pacific. New‌ Caledonia to Tahiti and the Pitcairn Islands. University of Hawai’i Press.
  • Sierra Mackerel. Source.