Deep Sea Fishing Spearfish
Pacific Short-Nosed or Short-Billed Spearfish (Tetrapturus angustirostris)
The Pacific short-nosed spearfish is an aggressive if not diminutive marlin that eagerly attacks artificial lures. They are uncommon everywhere in the world, but Hawaii is one of the few places where you have a good chance of catching one of these rare trophies. They are caught trolling and live baiting, but can also be caught with light tackle and fly gear. Spearfish range in size from 20 to 60 lbs. and are caught year round.
Best Time for Shortbilled Spearfish Fishing
Late winter early spring is the time in Hawaii for these fish.
They can handle cooler temperatures of water, they are available from late fall to spring.
Family: Istiophoridae (Billfishes)
Genus and Species: Tetrapturus angustirostris (shortbill), T. pfluegeri (longbill), T. belone (Mediterranean)
Range: The shortbill spearfish is known in the Pacific and Indian Oceans. It is caught year round off the Kona coast, one of the few areas where the spearfish is consistently caught. The longbill spearfish is known to occur in the northwest Atlantic from New Jersey to Venezuela, including the Gulf of Mexico. The Mediterranean spearfish is known to occur only in the Mediterranean Sea.
Description: Spearfish can be distinguished from other billfish by a slender, lightweight body, short bill, and a dorsal fin that is highest anteriorly (higher than in marlin and lower than in the sailfish). The vent is located well in front of the anal fin; in all other billfish, the vent is located close to the anal fin. The bill of the shortbill spearfish is barely longer than its lower jaw, whereas in the longbill spearfish it is about twice as long, but it is still noticeably short when compared to that in other billfish. The pectoral fins of the shortbill and Mediterranean spearfish barely reach to the curve of the lateral line; in the longbill spearfish, they extend beyond the curve. The longbill spearfish has more elements (45 to 53) in the first dorsal fin than any other Atlantic billfish, although it may appear similar to the white marlin. The shortbill spearfish has approximately the same count (47 to 50 elements), but the Mediterranean spearfish has fewer (39 to 46). The lateral line is single and arches above the pectoral fins. The dorsal fin is bright blue and has no spots. The vertical bars on the body are never as prominent as in other billfish and may show only slightly or not at all.
Natural History: These species are lesser-known and small members of the Istiophoridae family of billfish that are also referred to as slender spearfish. They are pelagic, offshore, deep-water fish that appear to be available all year in small numbers but are infrequently encountered by anglers in most parts of their range. They feed at or near the surface, mainly on small and medium-sized fishes and squids, including dolphin, sauries, flying fish, needlefish and pilot fish. They appear to be available all year in small numbers.
There is very little scientific information available on spearfish. It is widely believed that spearfish do not live much more than five years. They reach maturity after two years.
Fishing Information: Spearfish are not targeted gamefish anywhere in the world. Their numbers are too low (and catches too sparse) to be considered reliable game. They are caught with basically the same bait, lures, and tackle as white and striped marlin. However, most spearfish catches are considered incidental.
Other Common Names: Atlantic Spearfish, a’u, aguja picuda, furaikajiki.
Largest recorded: 74 pounds 12 ounces (shortbill); 94 pounds, 12 ounces (longbill); 90 pounds, 13 ounces (Mediterranean).
Sources: Marine Sportfish Identification, California Department of Fish and Game, 1987; FishBase, FishBase Consortium, 2001; Billfish, Saltaire Publishing, 1976
Locations and Fish
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