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Image of Macrourus whitsoni
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Macrourus Whitsoni

Macrourus whitsoni (Regan 1913)

Diagnostic Description

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Eyes relatively large. Snout short, moderately pointed, usually somewhat rounded with a high dorsal profile in adults, but often with prominent tubercles at its tip and lateral angles. Mouth large, lips thin. Underside of the head generally covered with small scales. Pyloric caeca 18 to 28. Overall color dark brown to swarthy in most individuals, but some are much paler; fins and lips blackish (Ref. 1371).
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Recorder
Rodolfo B. Reyes
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Migration

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Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.
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Recorder
Astrid Jarre-Teichmann
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Morphology

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Dorsal spines (total): 2; Dorsal soft rays (total): 124 - 125; Analspines: 0; Analsoft rays: 110
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Rodolfo B. Reyes
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Trophic Strategy

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Remains of natant crustaceans (especially euphausiids), polychaetes, and fish (gonostomatids) have been found in the stomachs of three specimens examined.
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Recorder
Grace Tolentino Pablico
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Biology

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Remains of natant crustaceans (especially euphausiids), polychaetes, and fish (gonostomatids) have been found in the stomachs of three specimens examined.
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Recorder
Astrid Jarre-Teichmann
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Importance

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fisheries: commercial
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Recorder
Astrid Jarre-Teichmann
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