Swordfish
Scientific Name: Xiphias gladius | Category: saltwater
The swordfish is a pelagic predator built for speed and power, instantly recognizable by its elongated, flat bill that can account for up to one-third of its total length. This formidable rostrum, used to slash and stun prey, is the species' most iconic feature, setting it apart from its marlin and sailfish cousins. Its body is a study in hydrodynamic efficiency—torpedo-shaped, with a tall, rigid dorsal fin and a crescent-shaped tail. Adults typically range from 100 to 300 pounds, though giants can exceed 1,000 pounds, with a steely blue-black back fading to a silvery-white belly, a coloration that camouflages it in the open ocean. In hand, its smooth, scaleless skin and lack of pelvic fins are key identifiers for anglers. Swordfish inhabit the deep, open waters of tropical and temperate oceans worldwide, from the Gulf of Mexico and the Florida Straits to the Mediterranean Sea and the Pacific coasts of Chile and Peru. They are creatures of the blue, preferring depths of 600 to 2,000 feet during the day, where they hunt along temperature breaks and underwater structures like seamounts and canyons. At night, they rise closer to the surface, making them accessible to anglers who deploy deep-drop rigs or drift baits under the stars. Prime fisheries include the canyons off the Northeast U.S., the balmy waters of the Bahamas, and the prolific grounds of the Eastern Pacific, where dedicated charters pursue these elusive giants. Anglers target swordfish for the ultimate big-game challenge—a battle that tests both skill and endurance. Known as 'gladiators of the sea,' they offer a relentless, deep-diving fight, often taking hours to subdue on heavy tackle, with trophy potential that places them among the most coveted pelagic prizes. Beyond the sport, their firm, meaty flesh is highly prized for sushi and grilling, adding culinary allure. In fishing culture, landing a broadbill is a rite of passage, symbolizing mastery of night fishing and deep-water tactics, making a dedicated trip a bucket-list endeavor for serious offshore enthusiasts.
species.getBySlug
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"id": "b72b09e5-b730-49af-a8c0-03dca926b283",
"commonName": "Swordfish",
"scientificName": "Xiphias gladius",
"slug": "swordfish",
"category": "saltwater",
"aliases": [
"broadbill",
"Broadbill",
"Gladiator of the Sea",
"Billfish",
"Sword",
"Broadbill Swordfish",
"Xiphias"
],
"description": "The swordfish is a pelagic predator built for speed and power, instantly recognizable by its elongated, flat bill that can account for up to one-third of its total length. This formidable rostrum, used to slash and stun prey, is the species' most iconic feature, setting it apart from its marlin and sailfish cousins. Its body is a study in hydrodynamic efficiency—torpedo-shaped, with a tall, rigid dorsal fin and a crescent-shaped tail. Adults typically range from 100 to 300 pounds, though giants can exceed 1,000 pounds, with a steely blue-black back fading to a silvery-white belly, a coloration that camouflages it in the open ocean. In hand, its smooth, scaleless skin and lack of pelvic fins are key identifiers for anglers.\n\nSwordfish inhabit the deep, open waters of tropical and temperate oceans worldwide, from the Gulf of Mexico and the Florida Straits to the Mediterranean Sea and the Pacific coasts of Chile and Peru. They are creatures of the blue, preferring depths of 600 to 2,000 feet during the day, where they hunt along temperature breaks and underwater structures like seamounts and canyons. At night, they rise closer to the surface, making them accessible to anglers who deploy deep-drop rigs or drift baits under the stars. Prime fisheries include the canyons off the Northeast U.S., the balmy waters of the Bahamas, and the prolific grounds of the Eastern Pacific, where dedicated charters pursue these elusive giants.\n\nAnglers target swordfish for the ultimate big-game challenge—a battle that tests both skill and endurance. Known as 'gladiators of the sea,' they offer a relentless, deep-diving fight, often taking hours to subdue on heavy tackle, with trophy potential that places them among the most coveted pelagic prizes. Beyond the sport, their firm, meaty flesh is highly prized for sushi and grilling, adding culinary allure. In fishing culture, landing a broadbill is a rite of passage, symbolizing mastery of night fishing and deep-water tactics, making a dedicated trip a bucket-list endeavor for serious offshore enthusiasts.",
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"caption": "The swordfish is a pelagic predator built for speed and power, instantly recognizable by its elongated, flat bill that can account for up to one-third of its total length.",
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"id": "0e3738cf-d243-477c-8b15-87395d99cac7",
"name": "Juvenile",
"slug": "juvenile",
"description": "Young swordfish are fast-growing pelagic predators, already honing their skills in the open ocean. They spend their early years in surface waters, feeding on small fish and squid while avoiding larger predators. This phase is a critical growth period where they develop the speed and agility that will define them as adults.",
"appearance": "Juveniles are much smaller, typically 1 to 3 feet in length and under 50 pounds. They have a more slender, streamlined body compared to adults, with a proportionally longer bill relative to body size. Coloration is a muted blue-gray on the back, fading to a pale silver-white belly, often with faint vertical bars or spots along the sides that fade as they mature. The dorsal fin is tall and rigid, and the skin is smooth and scaleless, similar to adults but with less pronounced muscle definition.",
"triggers": null,
"habitat": "Surface and near-surface waters of tropical and temperate oceans, often in warmer offshore areas away from deep canyons, at depths of 0 to 200 feet during the day and night.",
"anglersNote": "Rarely targeted by anglers due to their small size and surface-dwelling habits, but occasionally caught as bycatch in offshore trolling or light-tackle fisheries.",
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{
"id": "077173f9-0fef-44a6-ab7b-1e9d65e6c90d",
"name": "Adult",
"slug": "adult",
"description": "Adult swordfish are apex predators of the deep ocean, built for speed and power as they hunt in the pelagic zone. They spend their days in deep, cold waters and rise to shallower depths at night to feed, making them a prized target for dedicated big-game anglers. This phase represents the trophy stage, where they reach their formidable size and strength.",
"appearance": "Adults are large and muscular, typically 6 to 10 feet in length and 100 to 300 pounds, with giants exceeding 1,000 pounds. The body is torpedo-shaped with a tall, rigid dorsal fin and a crescent-shaped tail. The most iconic feature is the elongated, flat bill (rostrum), which can be up to one-third of the total length. Coloration is a steely blue-black on the back, fading sharply to a silvery-white belly, providing countershading camouflage. The skin is smooth and scaleless, with no pelvic fins, and the eyes are large and adapted for low-light conditions in deep water.",
"triggers": "Reaching sexual maturity and a size of around 100 pounds, typically at 4-5 years of age.",
"habitat": "Deep open waters of tropical and temperate oceans worldwide, at depths of 600 to 2,000 feet during the day, rising to 200-600 feet at night; found along temperature breaks, seamounts, and underwater canyons.",
"anglersNote": "The primary target for big-game anglers, offering a relentless deep-diving fight on heavy tackle; trophy potential makes them a bucket-list species, often pursued with deep-drop rigs or night drifting.",
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],
"contentUpdatedAt": "2026-05-09T22:30:19.041Z"
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