Yellowfin Tuna Guide: Size, Diet, Cost & Facts
Yellowfin tuna name derives from their most distinctive feature—the bright yellow coloration of their second dorsal fin, anal fin, and finlets.
5-meter yellow tail fin
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Yellowfin tuna are a torpedo-shaped fish, with dark metallic blue back, distinctive yellow sides, and a silver belly with many vertical lines. They have very long anal and dorsal fins which are bright yellow, which give the fish its name. The yellowfin tuna (Thunnus albacares) is a species of tuna found in pelagic waters of tropical and subtropical oceans worldwide. Yellowfin is often marketed as ahi, from the Hawaiian ʻahi, a name also used there for the closely related bigeye tuna (Thunnus obesus). Want to save this article? Enter your email below & I'll send it straight to your inbox. Size: Can grow up to 50–80 pounds (23–36 kg) and reach lengths over 40 inches (100 cm). Yellowtail and yellowfin are terms that vex folks who aren't skilled fishmongers, sushi chefs, or ichthyologists. Is the tail the same as the fin? And are they even yellow? Anyone who has ever eaten Patagonian toothfish sold as Chilean sea bass can understand the influence of crafty marketing on.