What scientific binomial name typically identifies Bigeye Tuna in high-end markets?
Answer
*Thunnus obesus*
The specific species widely recognized and referred to as Bigeye Tuna in premium seafood settings, such as upscale markets or sushi establishments, is scientifically designated as *Thunnus obesus*. This classification is crucial for distinguishing it from other fish sharing the common name 'Bigeye'. While *Thunnus albacares* refers to Yellowfin Tuna, another common relative, *Katsuwonus pelamis* is Skipjack Tuna. Proper identification ensures consumers receive the intended product, particularly when high standards for raw consumption are expected, as *Thunnus obesus* possesses specific characteristics regarding fat content and texture desirable for sashimi and nigiri.

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