What numerical identifier does NCBI assign to *Thunnus obesus* as its Taxonomy ID?
Answer
8241
Different scientific data aggregators utilize unique internal coding systems to track biological entities. For the specific entry of *Thunnus obesus*, the NCBI database assigns a Taxonomy ID of 8241. This numerical identifier helps ensure that data referencing the species within the NCBI system is consistent. This internal coding differs from identifiers used by other platforms, such as NatureServe, which uses an Element Global ID of 104430, or the Smithsonian Tropical Research Institute, which references a local ID of 2236. The divergence in these internal codes presents a challenge for achieving semantic interoperability across diverse biodiversity data sources.

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