Deep-drop cardio: a thousand meters up for a face only science could love.
Quick Facts
Average Size
8–11 inches
0.3–0.7 lbs
World Record
Habitat
Deep Continental Slope Mud And Sand
Best Techniques
Deep Drop Bottom Fishing
Best Baits
Cut Squid And Fish Strips
Challenge Score
Savage: 52
< Explore This Species >
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🔥Its gill membranes are jet black, inspiring the species name melanobranchus, meaning black-gilled.
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02Named for Léon Vaillant, a pioneering French deep-sea ichthyologist.
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03Prefers steep continental slope mud between 1,300 and 4,900 feet.
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04The tail makes up more than half its total length.
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05Big glassy eyes amplify the faintest bioluminescent glows.
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06Scales slough off easily, so trawl-caught specimens look scuffed and ghostly.
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07Barotrauma often balloons the belly when hauled from abyssal pressure.
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08First dorsal is small; the second runs long like a ribbon.
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09Mouth holds fine sandpaper-like teeth for rasping prey from soft bottoms.
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10Otoliths from this species help scientists age deep-slope communities.
Learn Real Facts — Choose Your Vibe
Vaillant's grenadier Size Chart & Trophy Benchmarks
Common Catch
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Trophy Fish
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World Record
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Length
Small
Weight
Small
Top Fisheries for Vaillant's grenadier
Best places to catch Vaillant's grenadier and how far they are from you.
From iconic trophy waters to bucket-list destinations, these are some of the best places on the planet to target Vaillant's grenadier.
Ireland
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Miles
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Rockall Trough
Scotland
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Miles
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Bay of Biscay
France
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Miles
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Gulf of Cadiz
Spain
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Miles
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Walvis Bay Slope
Namibia
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Miles
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Seasonality Chart
Best months to catch Vaillant's grenadier: Apr
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Vaillant's grenadier Intelligence
Fishing Window
Good
In Season
Season Score
70/100
Trend
Improving
Peak Season In
7 Months
Difficulty Meter
52
Savage
Demands Skill
Feeding Triggers
Time of Day
Very High
Temperature
Moderate
Current
High
Weather
High
Most Important:
Time of Day
Behavior
Vaillant's grenadier
Behavior
Behavior Profile Radar
Strike
Vaillant's grenadier
Strike
Strike Profile Radar
Positioning
Vaillant's grenadier
Positioning
Positioning Radar
Fight
Vaillant's grenadier
Fight
Fight Radar
Species Comparison Selector
Comparison Insights
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Vaillant's grenadier Advice
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Where to Find Vaillant's grenadier
Preferred Structure
Wood
Rock
Weeds
Undercuts
Depth Breaks
Water Column
Surface
Mid
Bottom
Cover vs Roam
Cover
Roam
Gear Loadout for Vaillant's grenadier
A reliable starting setup for targeting Vaillant's grenadier, based on typical size, habitat, and presentation style.
Core Setup
- ROD 5'6"–7' heavy deep-drop rod rated for 2–5 lb sinkers
- REEL 30–50 class electric reel or high-speed conventional with strong drag
- LINE 50–80 lb braided mainline
- LEADER 40–60 lb mono or fluorocarbon dropper rig
Lures & Baits
- cut squid
- mackerel strips
- sardine
- small glow slow-pitch jigs tipped with bait
Tactical Notes
- target 1,300–4,900 ft
- add small in-line light
- keep line angle tight and check baits every drift





