Blue Marlin (Makaira nigricans)

Blue Marlin

Scientific name: Makaira nigricans


The blue marlin is blue-back on its top and is silvery white below. It has about fifteen rows of pale, cobalt-colored stripes located on both sides. Upper jaw is elongated and spear-shaped. Pointed are its dorsal, pectoral, and anal fins. The dorsal fin is dark blue and has no dark spots. Its body is characterized by thick, bony, elongated scales with one, two, or three posterior points.


The blue marlin fish inhabit offshore in warm waters near the surface. They follow seasonal water temperature changes. They are also seen in ocean water away from continents as well as in coastal regions near the deep waters. These fish make major trans-Atlantic migrations.

Florida locations:

In Key West, blue marlin is abundant for fishing from April to November.

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