The vulnerability of a shark population to losing even small numbers to fishing has been highlighted by researchers from the University of Chester and partners in the Philippines using a remote stereo camera system. The team has found that pelagic thresher sharks in the Central Visayan Sea would be vulnerable to a fishing mortality rate of 5.3% each year, and that the removal of 15 to 18 females would result in a potentially catastrophic decline in the population.

The vulnerability of a shark population to losing even small numbers to fishing has been highlighted by researchers from the University of Chester and partners in the Philippines using a remote stereo camera system. The team has found that pelagic thresher sharks in the Central Visayan Sea would be vulnerable to a fishing mortality rate of 5.3% each year, and that the removal of 15 to 18 females would result in a potentially catastrophic decline in the population.

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