The Bluefin Tuna: a legendary fish of extraordinary size
The bluefin tuna is an iconic fish of the Atlantic and Mediterranean oceans. A powerful migrator, it can exceed 3 meters in length and weigh up to around 600 kg. A true sprinter of the seas, this spectacular predator was long threatened by overfishing, but is now making a strong comeback, much to the delight of sport fishing enthusiasts.
Why is fishing tuna on the chase so captivating?
Fishing tuna on the chase is a unique, adrenaline-packed experience. When tunas pursue schools of baitfish at the surface, they create impressive turbulence known as “whirlpools.” This visual and fast-paced style of fishing demands quick reactions, endurance, and perfect mastery of the gear. It appeals to anglers seeking thrills and muscular fights with a formidable opponent.
In this article:
- Ideal season for chasing bluefin tuna
- Techniques and approach strategies
- Recommended gear (rods, reels, lures, etc.)
- Fishing areas and regulations
When to fish bluefin tuna on the chase?
Season Calendar 2025
The bluefin tuna fishery is regulated by strict rules. In 2025, the no‑kill period runs from early June to mid‑November. Harvesting (“kill”) is allowed from July 11 to October 10. In Brittany, the first tuna appear in early July, with the peak season running from July 20 until the first autumn storms (around mid‑October).
Regulations to know
- A DDTM authorization is required for no‑kill fishing (apply between April and May).
- To keep a tuna, you must obtain a tag, usually through an affiliated association.
- Minimum legal size: 1.15 meters or 30 kg.
- See the full law text on Legifrance.
Favorable conditions for bluefin tuna fishing
Weather and Navigation
Tuna typically hunt over seabeds at least 35 m deep. Depending on the area, you may need to cover several nautical miles. Good weather conditions are therefore essential for safety and efficient spotting.
Spotting a tuna chase
Tuna often move in schools and create spectacular surface activity. They can be located by:
- Surface boils
- The presence of seabirds feeding
- Behavior of dolphins or other predators
What gear for chasing bluefin tuna?
Spinning rods
Matching the rod power to the size of the target fish is crucial:
- 20–50 kg: 70–80 lb rod, PE6 braid, 110 lb leader – Cape Cod Special
- 35–80 kg: 100–130 lb rod, PE8 braid, 150 lb leader – RXGT 7102‑3
- 60 kg and up: 130–200 lb rod, PE10 braid, 180 lb leader – Cow Special Gen II, Giant 7
Reels
A strong drag (20–30 kg) and high line capacity are required:
- Size 14000: ideal for tuna up to 60 kg
- Size 18000–20000: for tuna of 60 kg and up
- Size 30000: useful for live bait fishing or very deep water
Braided line & shock leader
Use braid matched to the rod’s power: PE6, PE8, PE10. Avoid 12‑strand braids. A shock leader of about 2.20 m is tied to the braid with an FG knot. Fluorocarbon is preferred for live bait rigs.
Lures
Must-have lures in your tackle box:
- Poppers: bubble generators – Amegari Dzanga, Feed Popper
- Stickbaits: sinking, great for tough days – Bonito 130
- Soft lures: Crazy Sand Eel, Black Minnow on heavy-duty jig heads – Kerhy Thon
- Jigs: to try vertically – Mustad Daggerman
Essential terminal tackle accessories
- Rolling swivels 150–250 lb – View model
- Heavy-duty split rings 200 lb – View model
- Tuna pliers for clean releases – View product
Tip: Keeping a split ring on each lure prevents over-opening when changing them. Less wear, more efficiency!
Tips to maximize your chances
Spotting fish and discretion
A pair of stabilized binoculars is an excellent investment for spotting chases from up to 6 nautical miles away. Pay attention to bird behavior and other boats.
Approaching chases
Approach chases quietly or, conversely, attempt a swift pass. Adapt your strategy to the fish’s behavior.
Ideal timing
In some coastal areas (e.g. the Glénan Islands), chases follow a strict rhythm: dawn session, break at 11 am, resume around 6 pm. Offshore, the pattern can vary entirely.
Where to fish bluefin tuna in France?
- Mediterranean: tuna present year-round
- Atlantic Coast: season starts in June
- Brittany: mid‑July
- Normandy: early August
- Hauts‑de‑France: mid‑August
Our Rodhouse special selection for bluefin tuna
Discover our special packs dedicated to tuna chase fishing. Everything you need to be ready on the big day.
Conclusion
Fishing bluefin tuna on the chase is a unique adventure combining strategy, strength, and passion. Good preparation, suitable gear, and precise observations make all the difference.
For technical questions or personalized advice, contact us at contact@rodhouse.com.
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