| Striped Marlin | |
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Family: |
Istiophoridae (Billfishes) |
Genus and Species: |
Tetrapturus audax |
Description: |
The body of the striped marlin is elongate and compressed. The upper jaw is much extended, forming a rounded spear. The color is dark blue above becoming silver below, with light blue bars or vertical spots on the sides. Of the billfishes that occur in California waters, the striped marlin is difficult to confuse with the others. Marlin have scales, fins on the belly, and a rounded spear which set them apart from swordfish which have no scales or ventral fins and have bills that are flat. Sailfish have an extremely high dorsal fin not found among the marlins, and shortnose spearfish do not have the long spear on the upper jaw nor the body weight of the marlin. The striped marlin normally develops conspicuous stripes along the sides of its body after death. This feature is unique to striped marlin. |
Range: |
Striped marlin occur in tropical and warm temperature waters of the Indian and Pacific Oceans. On the west coast of the United States they range as far north as Oregon, but are most common south of Point Conception, California. They usually appear off California in July and remain until late October. |
Natural History: |
The food of striped marlin is predominately fishes, squid, crabs and shrimp. The latter three make up lesser portions of the diet than do fish. The spear of the marlin is sometimes used both as a weapon for defense and as an aid in capturing food. Wooden boats frequently have been rammed by billfish, and in one instance the spear penetrated 18.5 inches of hardwood 14.5 inches of which was oak. When it uses its bill in capturing food, the striped marlin sometimes stuns its prey by slashing sideways with the spear rather than impaling its victim, as some believe. |
Fishing Information: |
Most striped marlin are taken by trolling artificial lures in areas they are known to inhabit. Blind strikes are generally the rule, but one can occasionally tempt a "finner" or "sleeper" (marlin swimming along the surface) to strike if lures are trolled past the fish. Live bait also works well but requires more effort since the fish must usually be first spotted visually. Once a striped marlin is located, the angler should cast a bait in front of and past the fish so it can be reeled back towards the animal. Strikes usually result from properly presented live bait. Most striped marlin anglers prefer Pacific mackerel as bait. The best California fishing locality is in a belt of water which extends from the east end of Santa Catalina Island offshore to San Clemente Island and southward in the direction of the Los Coronados Islands. |
Other Common Names: |
striper, marlin, Pacific marlin, spikefish, spearfish. |
Largest Recorded: |
13.5 feet; 339 pounds (California). |
Habitat: |
Pelagic Environment |
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