Pacific crevalle jack
📖 Overview
Adults occur in oceanic and coastal waters, commonly found in shallow water, with larger individuals up to 350 m depth . Also found in brackish water and occasionally ascend rivers . They form medium-sized to big schools, but large adults may be solitary . They feed mainly on fishes, but also takes shrimps and other invertebrates . Often makes a grunting sound when captured . Juveniles are often found in river estuaries . Marketed fresh, frozen, smoked and salted or dried; also utilized as fishmeal and a source of oil .
🔬 Taxonomy
🐟 Physical Description
Body deep, elongated and slightly compressed; eye with an adipose eyelid; posterior edge of lower jaw behind posterior edge of eye; chest mostly scaleless, just a small patch in front of pectoral fins; 35 to 42 strong scutes; back of body blue to blue black; belly white, silvery, or yellow; pectoral fins and operculum each with a black spot .: fusiform / normal.
🌀 Behaviour
Behavioural data for Pacific crevalle jack is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; brackish; pelagic-oceanic; oceanodromous ; depth range 1 - 350 m . Subtropical; 33°N - 7°S, 119°W - 76°W
🌿 Ecology
fishes, but also takes shrimps and other invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
🍽️ Edibility & Flavour
"Pacific crevalle jack is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 20.4 g |
| Omega-3 (total) | 388 mg |
🔬 Mercury Safety
Mercury data for Pacific crevalle jack has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 23 records indexed .
👥 Community & Contribute
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