The copper or bronze whaler shark is a large predator that is vulnerable to overexploitation.
By analysing part of the mitochondrial control region, researchers have detected significant genetic structure among three major coastal regions: Australia–New Zealand, South Africa–Namibia and Perú.
It appears that oceanic expanses are traversed over evolutionary not ecological timescales, which means regional copper-shark populations should be assessed and managed independently.
Read more at CSIRO