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🌊 Marine Least Concern 🍽️ Edible 🎣 Game Fish 🌡️ Subtropical

Pacific jack mackerel

Trachurus symmetricus Ayres, 1855
Max Length
81 cm
Max Weight
Lifespan
30 yrs
Trophic Level
3.6
Depth
0–400 m
Climate
Subtropical
Resilience
Low
Vulnerability
66.00/100
Typical Length
55 cm
Depth Zone
pelagic

📖 Overview

Adults are often found offshore, up to 500 miles from the coast . Are considered as one of the straddling stocks in the northeast Pacific . They form large schools . Young frequently occur in school near kelp and under piers . They feed mainly on small crustaceans and fish larvae . Large individuals often move inshore and north in the summer . Marketed fresh, smoked, canned and frozen; eaten fried, broiled and baked .

Scientific Name
Trachurus symmetricus
Authority
Ayres, 1855
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
81 cm
Lifespan
30 years
Depth Range
0–400 m
Trophic Level
3.6
Resilience
Low
Vulnerability
66.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 28 - 38; Anal spines: 1 - 2; Anal soft rays: 22 - 33; Vertebrae: 23 - 25. Small specimens may have an additional forward-directed spine at first dorsal origin (embedded in larger specimens).: fusiform / normal.

🌀 Behaviour

Behavioural data for Pacific jack mackerel is currently being reviewed.

🦐 Diet

Diet information for Pacific jack mackerel is currently being compiled.

🥚 Reproduction

Reproduction data for Pacific jack mackerel is currently being compiled.

🌍 Habitat & Distribution

Marine; pelagic-oceanic; oceanodromous ; depth range 0 - 400 m. Subtropical; 65°N - 13°N

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Migration
Oceanodromous
Trophic Level
3.6±0.2
🐠 Schooling
Food Items

small crustaceans and fish larvae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L2.96 (TL)
Max TL
81cm
Dorsal Spines
9
Dorsal Rays
33
Anal Spines
2
Anal Rays
28
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2008

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
66.00/100
High vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Ayres, 1855

🍽️ Edibility & Flavour

"Pacific jack mackerel is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 19.8 g
Omega-3 (total) 337 mg

🔬 Mercury Safety

Mercury data for Pacific jack mackerel has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Jack Mackerel · Mackereljack · Pacific jack mackerel · Scad
🌍CES kranas kalifornský
🇫🇷French Chinchard du Pacifique · Chinchard gros yeux · Chinchard gros yeux du Pacific · carangue symétrique
🇵🇹Portuguese Carapau-do-Pacífico
🇷🇺Russian Калифорнийская ставрида · Тихоокеанская (южная, калифорнийская) ставрида
🇪🇸Spanish Charrito · Chicharro · Chicharro ojetón · Chicharro ojoton · Jurel · Jurel ojetón · Jurelillo · charrito chícharo
🇨🇳Chinese 太平洋竹筴魚

Scientific Synonyms

Scientific Name Author Year Status
Caranx symmetricus Ayres 1855 Synonym
Decapterus polyaspis Walford & Myers 1944 Synonym
Trachurus picturatus symmetricus Ayres 1855 Synonym
Trachurus symmetricus symmetricus Ayres 1855 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 24 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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View all observations for Pacific jack mackerel ↗
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