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FISH SPECIES : YELLOWFIN TUNA
Other names: 

Allison tuna

Scientific name: 

Thunnus albacares

Genus: 
SCOMBRIDAE FAMILY


Occurs worldwide in deep, warm temperate oceanic waters. It is both pelagic and seasonally migratory, but has been known to come fairly close to shore.


Just as the albacore (Thunnus alalunga) has characteristically overextended pectoral fins, the yellowfin has overextended second dorsal and anal fins that may reach more than halfway back to the tail base in some large specimens. In smaller specimens under about 60 1b (27 kg) and in some very large specimens as well, this may not be an accurate distinguishing factor since the fins do not appear to be as long in all specimens.

This is probably the most colorful of all the tunas. The back is blue-black, fading to silver on the lower flanks and belly. A golden yellow or iridescent blue stripe runs from the eye to the tail, though this is not always prominent.

All the fins and finlets are golden yellow though in some very large specimens the elongated dorsal and anal fins may be silver edged with yellow. The finlets have black edges. The belly frequently shows as many as 20 vertical rows of whitish spots.

The diet depends largely on local abundance, and includes flying fish, other small fish, squid and crustaceans. Fishing methods include trolling with small fish, squid, or other trolling baits including strip baits and artificial hues as well as chumming with live bait fishing.

   
 
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