TAG AND RELEASE OF BILLFISH — YES OR NO?
Tag and Release of Billfish — Yes or No?
"The Oceanographic Research Institute (ORI) initiated tagging of billfish in South Africa in the 1970s. To date, after nearly 30 years of tagging, there have been surprisingly few recaptures."
The question is why is the recapture rate so low? Well, these results are not unique to South Africa and conventional billfish tagging programmes around the world have generally reported extremely low recapture results. Read more