Swordfish

Overview

The broadbill swordfish is a powerful, deep-dwelling gladiator of the open ocean, prized both as a heavyweight sport fish and as one of the finest eating fish in the sea. The rise of deep-drop daytime fishing has made this once-nocturnal giant a thrilling modern target.

Identification

Swordfish have a stout, scaleless body, a large eye, a tall stiff dorsal fin, and a long flat "sword" bill - broader and flatter than a marlin's round spear. They lack pelvic fins and body stripes.

Range & Habitat

They roam temperate and tropical oceans worldwide, spending days in cold deep water hundreds of fathoms down and rising toward the surface at night to feed.

Behavior & Diet

Swordfish are strong, solitary predators that use the sword to slash squid and fish, migrating vertically each day between the deep and the surface.

Best Seasons

They can be caught year-round in warm offshore water, with daytime deep-dropping and nighttime surface fishing both productive depending on region.

How to Catch Them

Deep-drop rigged baits with lights and heavy weights to the daytime depths, or drift rigged squid at night near the surface; a slow, deliberate approach is key.

Tackle & Rigs

Heavy offshore conventional gear, electric or stout manual reels for deep-dropping, heavy leaders, and rigged squid or fish baits with lights and lead.

Landing, Handling & Release

Fight the fish steadily from great depth; handle harvested fish with care and release undersized or unwanted fish. Watch the sword and the powerful thrashing at the boat.

Table Quality

Swordfish is superb - firm, meaty, mild steaks perfect for the grill; note that the FDA's advice about eating fish puts swordfish among its highest-mercury "choices to avoid" for anyone who is or might become pregnant or is breastfeeding, and for young children.

Common Mistakes

Underpowered gear for deep-dropping and mishandling a dangerous sword at the boat.

Regulations & Conservation

Swordfish are managed with permits, minimum sizes and limits; a federal HMS permit is required. Always confirm the current NOAA regulations before targeting them. We do not give legal advice.

FAQ

Day or night? Both - deep-drop by day, surface drift by night.

Good eating? Excellent grilled - but mind the mercury: the FDA lists swordfish among its "choices to avoid" for anyone pregnant or breastfeeding and for young children.