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Big-game fishing

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Big-game fishing is a specialized form of recreational fishing. It is also known as offshore sportfishing, offshore gamefishing, or blue-water fishing. This sport focuses on targeting large game fish in deep waters. These areas are usually large bodies of water like seas or oceans. Anglers seek the challenge of catching massive, powerful species. This pursuit requires significant skill, specialized equipment, and often substantial financial investment.

Striped Blue Marlin
Striped Blue Marlin

To catch these giants, anglers use several specific techniques. One common method is trolling. In trolling, anglers pull lures or baits behind a moving boat. These lures are often designed to look like squid or small fish. To prevent lines from tangling, boats use outriggers. Outriggers are long poles that spread the fishing lines wide. This keeps the lines in clear water away from the boat's wake. Another method is chumming, or chunking. This involves throwing groundbait, made of small pieces of baitfish, into the water. In Australia, this practice is called berley. Some anglers even use kite fishing. A kite holds a small live bait on the water's surface. This prevents the bait from sinking too deep and encourages fish to strike.

The species targeted in big-game fishing are often very large. Billfish are a major category, including swordfish, marlin, and sailfish. Large tunas are also highly prized. These include bluefin, yellowfin, and bigeye tuna. Sharks are another primary target, with species like mako, bull, great white, tiger, and hammerhead. Some anglers also pursue groupers or Atlantic tarpon. While these large fish are the main goal, smaller fish like dolphinfish or barracuda are often caught. These smaller fish might be kept as bycatch or used as live bait and chum.

The history of the sport is closely tied to technology. Big-game fishing emerged as a sport following the invention of the motorboat. Marine biologist Charles Frederick Holder is credited with founding the sport in 1898. He led the Tuna Club of Avalon and wrote books combining scientific detail with exciting stories. By the early 20th century, purpose-built boats began to appear. For example, a boat named the Crete was used at Catalina Island in 1915. It featured a deep cockpit and a specialized chair for landing large fish. By 1916, such vessels were being shipped to Hawaii.

Modern big-game fishing occurs in diverse locations worldwide. Historically, spots like Avalon, California, and Bimini in the Bahamas were popular. These areas had many gamefish close to the shore. As boats became faster and more seaworthy, anglers traveled much further. Some fishers now travel 60 or 70 miles from port. Others, like the San Diego long-range fishery, travel hundreds of miles into the Pacific. In the United States, the East Coast offers everything from sailfish in the Florida Keys to giant bluefin tuna in Massachusetts. The West Coast, particularly California, remains a central birthplace of the sport.

Latin America is also a major hub for the sport. Nations like Mexico, Panama, Costa Rica, Venezuela, Ecuador, and Guatemala host the largest fleets of sportfishing boats. Costa Rica is particularly famous due to its ocean currents and government laws regarding catch and release. In Nicaragua, the Rio San Juan is known for giant freshwater tarpon fishing. This area even hosts an annual international tournament.

Alfred Glassell's black marlin
Alfred Glassell's black marlin

Fighting a hooked fish is a physically demanding process. Once a fish is hooked, the angler must reel it in. The captain helps by maneuvering the boat so the fish stays astern, or behind the boat. Because fish can pull harder than a line can hold, reels use a drag mechanism. This adjustable device allows the line to escape under high tension without breaking. Anglers may use a fighting chair at the stern to stay steady. In this setup, the rod is placed into a gimbaled mount. Other anglers prefer "stand-up" fishing. This method uses a harness instead of a chair and requires great strength and endurance.

Technology has further transformed the sport. Modern boats use advanced electronics to find fish. Fishfinders, also known as echo sounders, are now very common. Anglers also use radar, sonar, and water temperature sensors. They can even use satellite imagery of sea surface temperatures to locate fish. While some use small 18-to-21-foot boats, others use massive 100-foot vessels. These large boats can carry 25 to 30 or more anglers at once. Because of the high costs of fuel, maintenance, and equipment, many people choose to use charter services instead of owning their own boats.

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File:Striped Blue Marlin.jpg
Striped Blue Marlin.jpg
File:Alfred Glassell's black marlin.jpg
Alfred Glassell's black marlin.jpg
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