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Bar jack

Cojinua carbonera

Caranx ruber

SaltwaterGood to eat
How to catch it ↓Log my catch
Bar jack (Caranx ruber)

At a glance

Typical size

1–2 lb.

Depth

Usually reef-, ledge-, wreck- or bottom-associated; exact depth changes by species, size and time of day.

Best time

Dawn, dusk and periods of active current are strong starting windows; deeper reef fish may feed throughout daylight.

Found in

29 Caribbean areas

1

Know it

Spot it, size it up and learn its habits.

Identification

An elongate jack with a dark stripe continuing from the back into the lower tail lobe.

Physical appearance

Silver body; juveniles have roughly six dark bands.

Typical size

1–2 lb.

Maximum size

About 2 ft.

Diet

Fish, shrimp and other invertebrates.

Behavior

Schooling or aggregations are documented in the species account.

2

Find it

Where, when and how deep to look.

Where to find it

Found in Puerto Rico. Start in the documented habitat and substrate for this species, then narrow the search using depth, current, structure and food activity. Habitat reference: Clear shallow reef water.

Habitat

Clear shallow reef water.

Depth

Usually reef-, ledge-, wreck- or bottom-associated; exact depth changes by species, size and time of day.

Fishing depth

Start tight to reef edges, ledges, drop-offs or marked structure and adjust to the depth where bait and fish are showing.

Fishing environments

Clear shallow reef water. This is species-level habitat context, not proof for every linked area.

Best season

Use current local reports and legal seasons; productive reef fishing is possible year-round when conditions and rules allow.

Best time

Dawn, dusk and periods of active current are strong starting windows; deeper reef fish may feed throughout daylight.

Best tides

Moving water is a common trigger; fish up-current edges, points and drop-offs where bait is pushed toward structure.

Best weather / conditions

Choose sea state, wind and visibility that let you hold position and handle the fish safely. Avoid treating rough weather as a feeding advantage.

3

Bait & gear

What to tie on and what to throw.

Best bait

Shrimp and small cut bait.

Best artificial lures

Small jigs and spoons.

Tackle setup

Start with a medium-heavy rod, 30 lb braid, 40–50 lb leader and a 3/0–5/0 hook or medium jig; scale to depth, current and fish size.

Hook size

About 2/0–7/0 is a common starting range for bait fishing, scaled to species and bait; circle hooks are a practical release-friendly choice where appropriate.

Line

20–50 lb braid or mono is a common reef starting range; heavier structure and larger fish call for more abrasion margin.

Leader

30–80 lb abrasion-resistant mono/fluorocarbon is a common starting range; increase around sharp reef or very large fish.

BigJoe's setup for Bar jack

The rod, reel, line and lures BigJoe would use.

Rod7 ft medium spinning rod saltwaterShop on Amazon ↗ReelPenn Battle 4000 spinning reelShop on Amazon ↗LinePowerPro braided fishing line 20 lbShop on Amazon ↗LeaderSeaguar fluorocarbon leader 30 lbShop on Amazon ↗LureAcme KastmasterShop on Amazon ↗LureSpro bucktail jigShop on Amazon ↗LureRapala X-Rap jerkbaitShop on Amazon ↗
See BigJoe's full gear guide →

As an Amazon Associate, BigJoe earns from qualifying purchases. It costs you nothing extra and helps keep this guide free.

4

Catch it

Step by step, from first cast to landing.

Step-by-step: how to catch it

  1. Start where the species is most likely to occur: Clear shallow reef water.
  2. Rig for the habitat and current: A knocker, fish-finder, dropper or simple jig setup are common choices; use only enough weight to hold the strike zone.
  3. Choose an offering that matches the fish and situation. Natural bait: Shrimp and small cut bait. Lures/alternatives: Small jigs and spoons.
  4. Fish it with this starting approach: Cast small jigs over reefs and flats edges. Presentation: Present bait naturally near the structure and maintain contact. With jigs, use short lifts and pauses before speeding up the retrieve.
  5. Use timing and water movement as adjustments, not guarantees. Time: Dawn, dusk and periods of active current are strong starting windows; deeper reef fish may feed throughout daylight. Tide/current: Moving water is a common trigger; fish up-current edges, points and drop-offs where bait is pushed toward structure.
Fishing techniques

Cast small jigs over reefs and flats edges.

Catch and release

For an ordinary small fish, minimize handling and air exposure, support its body and use a dehooker. Species-specific hazards take precedence.

5

Clean & cook

Is it good to eat, and how to prepare it.

Edibility

Bar jack has documented food use in the BigJoe catalog/source set. Freshness matters — keep it on ice, and watch for any toxin or mercury advisory.

Table quality

Good eating when small to medium: firm, mildly sweet white meat that is best bled and iced right away. Larger fish get darker and stronger; those are better smoked or in escabeche.

Cleaning

Keep legal catches on ice.

Cooking suggestions

General idea: bake a portion and use a thermometer to check 63°C / 145°F. This is not a species-specific recipe.

Clean It & Choose Your Cut

Food safety: Food safety: keep seafood cold, prevent cross-contamination, wash hands and tools, and refrigerate promptly.

Recommended cuts

  • Skin-on fillet
  • Skinless fillet
  • Whole cleaned fish
  • Steaks for larger fish

Cleaning steps

  1. Keep the catch cold from the moment it is legally retained.
  2. Use a clean, stable cutting surface and a sharp dedicated fillet knife.
  3. Scale first if cooking the fish whole or keeping skin-on portions and the species has scales.
  4. For fillets, cut behind the gill plate toward the backbone, then follow the backbone toward the tail with controlled strokes.
  5. Trim ribs and remove pin bones where present; remove skin only if the recipe calls for it.
  6. Rinse only as needed to remove visible debris, then pat dry; keep the edible portion cold and cook or refrigerate promptly.

Anatomy varies by species. These are general finfish steps, not a species-specific anatomical guarantee.

How would you like it cooked?

Choose a style and open the full recipe.

Bar jack al Ajillo — Puerto Rican Style15 min prep · 20 min cook · 2–4Sides: Roasted sweet potato, Mango-avocado salad, Roasted pumpkinView full recipe →Cuban Mojo Bar jack15 min prep · 25 min cook · 2–4Sides: Moros y Cristianos, Tomato-cucumber salad, Plantain chipsView full recipe →Herb-Grilled Bar jack — American Style15 min prep · 20 min cook · 2–4Sides: Crispy oven potatoes, Avocado salad, Roasted broccoliView full recipe →Spanish Garlic-Paprika Bar jack15 min prep · 25 min cook · 2–4Sides: Pan con tomate, Cucumber-tomato salad, Artichoke heartsView full recipe →Mexican Chile-Lime Bar jack15 min prep · 25 min cook · 2–4Sides: Black beans, Citrus avocado salad, Roasted peppersView full recipe →Thai Lime-Chili Bar jack15 min prep · 25 min cook · 2–4Sides: Rice noodles, Fresh herb salad, Stir-fried vegetablesView full recipe →Chinese Ginger-Scallion Bar jack15 min prep · 25 min cook · 2–4Sides: Sesame rice, Pickled vegetable salad, Stir-fried cabbageView full recipe →French Lemon-Butter Bar jack15 min prep · 25 min cook · 2–4Sides: Butter parsley rice, Lemon-dressed greens, Sautéed mushroomsView full recipe →Peruvian Ají-Lime Bar jack15 min prep · 25 min cook · 2–4Sides: Roasted potatoes, Cabbage-lime slaw, Roasted squashView full recipe →Japanese Miso-Glazed Bar jack15 min prep · 25 min cook · 2–4Sides: Sesame rice, Daikon-cucumber salad, Green beans with sesameView full recipe →Italian Tomato-Caper Bar jack15 min prep · 25 min cook · 2–4Sides: Lemon potatoes, Parsley-lemon salad, Roasted eggplantView full recipe →

Sushi & Japanese Raw/Cooked Options

COOKEDCooked Bar jack Sushi Roll

A fully cooked fish roll with seasoned sushi rice, cucumber and scallion.

COOKEDSeared Bar jack Sushi Bowl

Cooked/seared fish served over seasoned rice with cucumber, scallion and sesame.

RAW — FDA SAFETYBar jack Nigiri — Raw Safety Gate

Eating it raw? Follow FDA raw-seafood safety advice — fresh off the boat isn't enough.

RAW — FDA SAFETYBar jack Sashimi — Raw Safety Gate

For raw slices, freeze the fish first or use very fresh, well-iced fish.

6

Stay safe & legal

Safety, rules and taking care of the fishery.

Safety warnings

FOOD TOXIN RISK — this fish belongs to a group associated with ciguatera in tropical/Caribbean waters. Risk varies by location, species and fish; the toxin cannot be detected by appearance, taste or smell and cooking does not destroy it.

Regulations

No species-specific size, bag or season limits are listed here.

Conservation

Avoid damaging habitat and follow the local rules below. If it's protected, enjoy the sighting and let it be.

Sources & photo credits

Sources

  1. BigJoe Caribbean species list and local rule sources
  2. FAO Western Central Atlantic, volume 3, PDF pages 76
  3. FDA — Selecting and serving seafood safely
  4. FWC — Fish handling and gear
  5. Common Caribbean fishing know-how — a good starting point, not a legal rule.
  6. Smithsonian STRI Shorefishes of the Greater Caribbean — Caribbean biology reference system used for cross-checking.
  7. NOAA Fisheries — current U.S. Caribbean rules/closures · Puerto Rico DRNA — current territorial rules
  8. FishBase — Caranx ruber species record
  9. CDC Yellow Book — Ciguatera fish poisoning
  10. CDC — Seafood poisoning / ciguatera
  11. FDA — Ciguatera poisoning reports and associated fish groups

Other names: No synonyms recorded.

Tips marked as common know-how come from everyday Caribbean fishing. They're a starting point — not a safety check, a permit or a guaranteed catch.