Mako Shark

Shortfin mako sharks (Isurus oxyrinchus) are found throughout the pelagic, tropical to temperate, North Pacific Ocean and based on genetic and tagging evidence, it is assumed to be a single stock across the North Pacific Ocean.

Shortfin mako sharks are a highly migratory species and one of the focal species of the International Scientific Committee for Tuna and Tuna-like Species (ISC) Shark Working Group (SHARKWG). The North Pacific stock is assessed by the SHARKWG which is a collaborative effort between scientists from ISC Member nations and observers to regularly evaluate the status of pelagic sharks that interact with international tuna and billfish fisheries in the North Pacific Ocean and provide scientific advice for conservation efforts.

Stock status and conservation information is based on the most current assessment (e.g., 2024) unless specified otherwise. Descriptions of previous stock assessments are included for historical perspective.

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