"A black grouper hits like a truck and heads for the rocks; if you don't winch fast, you're just paying reef tax." - Mike Delgado
Quick Facts
Average Size
9–15 inches
0.5–2.5 lbs
World Record
124 lb 0 oz
Robert W. Harbison / 1983
Boca Grande, Florida
Habitat
Rocky Reefs And Shipwrecks
Best Techniques
Bottom Fishing With Heavy Tackle
Best Baits
Live Fish And Large Crustaceans
Challenge Score
Savage: 59
Black Grouper FACTS
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🔥That 'bull' black grouper turned male only after roughly a decade and about four feet of growth.
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02Their strike is a vacuum sucker-punch, inhaling baits in under 50 milliseconds through a dinner-plate mouth.
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03Hook one near structure and they'll flare gill covers to wedge in like a hydraulic car jack.
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04Males court by flashing a half-dark, half-silver "bicolor" suit, then torpedo upward for split-second spawn bursts.
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05The all-tackle record is a back-breaking 124 pounds; plenty of tackle got humbled chasing that mark.
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06Winter full moons trigger huge aggregations; hundreds materialize on the same ledges, then vanish like a secret convention.
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07That "rock" abrasively sawing your leader is their preopercle's serrated edge-nature's built-in box cutter.
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08Big ones carry higher ciguatera risk, so many captains snap photos, not fillets, when true giants surface.
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09Otolith rings show some individuals topping 30 years-patient bruisers that remember every trick on your boat.
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10Black grouper occasionally hybridize with gag grouper, producing "blackgags" that confuse IDs and bragging rights at the dock.
Black Grouper OVERVIEW
FAQs
Seasonality Chart
Best months to catch Black Grouper: Feb
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Black Grouper Intelligence
Fishing Window
Great
Target Now
Season Score
67/100
Trend
Declining
Peak Season In
11 Months
Difficulty Meter
59
Savage
Demands Skill
Feeding Triggers
Time of Day
Very High
Temperature
Moderate
Current
Moderate
Weather
High
Most Important:
Time of Day
Behavior
Black Grouper
Behavior
Behavior Profile Radar
Strike
Black Grouper
Strike
Strike Profile Radar
Species Comparison Selector
Comparison Insights
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Black Grouper Advice
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Structure Affinity Heatmap
Wood
85
Rock
85
Weeds
20
Undercuts
15
Depth Breaks
85
Cover vs Roam
Cover
Roam
79
21
Heavily Structured
Habitat Zone
Surface
Mid
Bottom
Structure





