Which tuna species is noted for having a higher oil content, translating to a more luxurious mouthfeel?
Answer
Bigeye tuna.
The fat content is regarded as a critical factor in consumer preference between the two species, and Bigeye tuna is explicitly stated to be notably richer and fattier than Yellowfin. This inherent higher oil content is what directly contributes to the perception of a more luxurious mouthfeel and a more pronounced, richer tuna flavor. Consequently, Bigeye is often sought after for raw consumption preparations where richness is paramount, such as high-end sushi.

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