Which Order do modern phylogenetic studies frequently assign *Thunnus obesus* to via WoRMS?
Answer
Scombriformes
While older or traditional classification systems often placed many tunas, including *Thunnus obesus*, into the Order Perciformes, current phylogenetic research, frequently supported by extensive genomic data analyzed by sequence repositories, generally shifts them to the Order Scombriformes. The WoRMS database specifically recognizes this placement within Scombriformes as the currently accepted higher-level arrangement by many marine taxonomists. This revision highlights how ongoing genetic research can refine the evolutionary tree, even as the genus *Thunnus* itself remains stable.
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