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Common names:
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Ahi (Hawaii), fin
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Maximum weight:
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420 lbs
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I.G.F.A. record:
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387 lbs on 80 lb test
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Pectoral Fins:
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Fins fold flat along body and reaches
the start of the second dorsal fin.
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Identifying features:
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Upper body is black and lower body is
silver white. In the mid-section the
yellowfin has a destictive yellow stripe
which begin at the gill case and
continues to the caudal fin. Above this
line the color is a purple-blue when the
yellowfin is alive but fades in death.
The second dorsal and anal fin are the
longest of any tuna. These fins increase
in length with age. Yellowfin have
between 26-35 gill rakers on the first
gill arch.
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Temperature range:
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62°F to 86°F
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Breeding:
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Yellowfin sexually mature at
appoxaimatly 40 lbs. They are
appoximatly 40" by this stage of their
life cycle.
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Typical location:
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Open ocean along the continental shelf
and current lines, ocean mountains and
canyons. Around schools of bait such as
ballyhoo, pilchards and squid. They are
found between 45°N and 40°S. They cover
enormous distances around the globe, and
all stocks mingle. It is a big fish,
which can swim at very high speed, which
may be one of the reasons why in some
areas, dolphins and large full-grown
yellowfin swim together. Will come close
to shore if warm currents and bait are
present.
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Fighting characteristics:
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Very tough fighting fish with a fast
recovery rate (faster than the anglers).
Mixes deep dives with long fast runs
that test angler and tackle.
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