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Makaira nigricans Lacepède, 1802 (Atlantic blue marlin); Makaira mazara (Jordan & Snyder, 1901) (Indo-Pacific blue marlin); Although they are traditionally listed as separate species, recent research indicates that the Atlantic blue marlin (Makaira nigricans) and Indo-Pacific blue marlin (Makaira mazara) may be parapatric populations of the same species.
The classification of the Indo-Pacific blue marlin (M. mazara) and the Atlantic blue marlin (M. nigricans) as separate species is under debate. [1] Genetic data suggest, although the two groups are isolated from each other, that they are both the same species, with the only genetic exchange occurring when Indo-Pacific blue marlin migrate to and ...
The black marlin showcases an extremely chrome underside and a dark blue-black dorsal side, the two colored layers are often separated by a yellow-ish chrome stripe. The black marlin is the only istiophorid in which the second dorsal fin is anterior to the second anal fin, this feature holds for all sizes. [10]
The average catch for 2013-2017 was 113,000Mt with swordfish and Indo-Pacific sailfish accounting for around two thirds of total catches followed by black marlin, blue marlin and striped marlin. [10] In the last few years, 75% of all billfish catches were recorded by five countries comprising Indonesia, Iran, India, Sri Lanka and Taiwan, China ...
The variation ("polymorphism", in this case, a "color morph") most commonly found is pure blue, dark blue, or light blue, although observers find the aqua, purple, or orange variation throughout the ocean. These sea stars may grow up to 30 cm (11.8 in) in diameter, with rounded tips at each of the arms; some individuals may bear lighter or ...
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Pacific Blue, or systematically 3-carboxy-6,8-difluoro-7-hydroxycoumarin, is a fluorophore used in cell biology. [1] Its excitation maximum lies at 401 nm, while its emission maximum is at 452 nm. [ 2 ]
It is dark blue on top, brown-blue laterally, silvery white underbelly; upper jaw elongated in the form of a spear; first dorsal fin greatly enlarged in the form of a sail, with many black cones, its front squared off, highest at its midpoint; pelvic fins very narrow, reaching almost to the anus; body covered with embedded scales, blunt at end ...