Indo-Pacific blue marlin

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Indo-Pacific blue marlin
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Istiophoridae
Genus: Makaira
Species: M. mazara
Binomial name
Makaira mazara
Jordan & Snyder, 1901[1]
  • Tetrapturus mazara D. S. Jordan & Snyder, 1901
  • Istiompax mazara (D. S. Jordan & Snyder, 1901)
  • Makaira ampla mazara (D. S. Jordan & Snyder, 1901)
  • Makaira mazara (D. S. Jordan & Snyder, 1901)
  • Makaira nigricans mazara (D. S. Jordan & Snyder, 1901)

The Indo-Pacific blue marlin (Makaira mazara) is a species of marlin found in the Pacific Ocean and Indian Oceans. It is closely related to, and usually considered conspecific with, the Atlantic blue marlin, then simply called blue marlin.

The classification of the Indo-Pacific blue marlin (M. mazara) and the Atlantic blue marlin (M. nigricans) as separate species is under debate. Genetic data suggest, although the two groups are isolated from each other, they are both the same species, with the only genetic exchange occurring when Indo-Pacific blue marlin migrate to and contribute genes to the Atlantic population.[2] A separate study by V. P. Buonaccorsi, J. R. Mcdowell, and Graves indicated that both Indo-Pacific and Atlantic show "striking phylogeographic partitioning" of mitochondrial and microsatellite loci.[3]

Some authorities still consider them both distinct. Warm currents such as the Agulhas Current in the western Indian Ocean have a major influence on their seasonal distribution.

In the Pacific, blue marlin (then known as silver marlin or often misidentified as the related black marlin) were caught by author/angler Zane Grey in Tahiti in the 1930s. In Hawaii, the fish is known as a'u.[4]


  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2015). "Makaira mazara" in FishBase. April 2015 version.
  2. ^ J. E. Graves (1998), "Molecular Insights Into the Population Structures of Cosmopolitan Marine Fishes", Journal of Heredity, 89 (5): 427–437, doi:10.1093/jhered/89.5.427 , see page 429.
  3. ^ V. P. Buonaccorsi; J. R. Mcdowell & J. E. Graves (2001), "Reconciling patterns of inter-ocean molecular variance from four classes of molecular markers in blue marlin (Makaira nigricans)", Molecular Ecology, 10 (5): 1179–1196, PMID 11380876, doi:10.1046/j.1365-294X.2001.01270.x .
  4. ^ website: Pacific Blue Marlin