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Profile updated on 30 July 2021
Within the Pacific Ocean blue sharks are found in both hemispheres, with no genetic evidence of the distinction between the northern and southern basins; however, mark-recaptured data have not documented movements across the equator (ISC 2017).
For stock assessment purposes current evidence justifies considerations of two different populations in the northern and southern Pacific Ocean (ISC 2017).
< 6 to ≥ 6
DATA DEFICIENT to < 6