Who established the binomial scientific name *Danio rerio* in 1822?
Answer
Hamilton.
The specific binomial nomenclature, *Danio rerio*, which uniquely identifies this species across all scientific endeavors, was formally established by Hamilton in the year 1822. This precise naming convention is fundamental for genomic data integrity, ensuring that molecular findings published in databases like UniProt correspond exactly to this organism and not a closely related cousin. The other entities mentioned—Genomics Senescence Information Center, USGS, and UniProt—are modern resources or databases that utilize this established name rather than being the originators of the taxonomy itself.

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