Seascape Genomics of the Smooth Hammerhead Shark <i>Sphyrna zygaena</i> Reveals Regional Adaptive Clinal Variation.

ABSTRACT: Globally, hammerhead sharks have experienced severe declines owing to continued overexploitation and anthropogenic change. The smooth hammerhead shark Sphyrna zygaena remains understudied compared to other members of the family Sphyrnidae. Despite its vulnerable status, a comprehensive understanding of its genetic landscape remains lacking in many regions worldwide. The present study aimed to conduct a fine-scale genomic assessment of Sphyrna zygaena within the highly dynamic marine environment of South Africa's coastline, using thousands of single nucleotide polymorphisms (SNPs) derived from restriction site-associated DNA sequencing (3RAD). A combination of differentiation-based outlier detection methods and genotype-environment association (GEA) analysis was employed in

SUBMITTER: Grobler DL 

PROVIDER: S-EPMC11635309 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature