Did you know?
It is a blue marlin that the
fisherman battles in
classic novella The Old
Man and the Sea.
Atlantic Blue Marlin
Other Names: Aguja Azul
The Atlantic and Pacific Blue marlin look nearly the same in their appearance. The upper and
rear portions of the body are dark, brilliant blue in color, and that includes the dorsal fin. The
lower portion has a silver white color. In many cases, there are up to 15 vertical stripes,
consisting of small dots and narrow bars, also in a brilliant blue color. These stripes become
quite bright when the fish is ready to strike or when hooked, but they rapidly disappear when the
fish is removed from the water. The remaining blue marlin fins are generally black-brown in color
and the anal fins have a bit of silver-white tinge. The principal way to distinguish blue marlin from
their relatives is to examine the shape of the dorsal fin tip, which is more pointed on blue marlin.
In addition, the spots found on the fins of most marlin are absent on the blue marlin.
Range: Blue marlin can be found in tropical and warm temperate waters around the globe,
mostly in the Atlantic, Pacific and Indian Oceans. It is the most tropical of the billfish and is often
found in waters near the equator. In eastern Pacific waters, they can be found in an area
generally from southern California along the coast of Mexico to Peru in South America.
Feeding Habits: Blue marlin feed primarily near the surface, though they occasionally dive to
deeper water to feed, depending on where their prey is found. Their diet consists mostly of fish
and other sea life found near the surface and is highly dependent upon location. This diet can
include tuna, mackerel, squid, octopus and any number of fish species indigenous to the
Sporting Qualities: Most believe Blue Marlin are the most sought after of all the ocean sport fish.
A super strong and powerful bill-fish, blue marlin will fight hard and run fast for many hours on
end, especially when you are hooked up to a very large marlin. They can suddenly dive to deep
water and can make wild jumps like some type of fish acrobatic. With impressive endurance, it is
not uncommon to see a hooked fish make up to 40 or more spectacular jumps. This fish can be
a touch test of an anglers deep sea fishing skills.
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