A new study records six cage-entry events by blue sharks and shortfin makos in Mediterranean tuna and salmon farming operations, with three sharks dying after entanglement.
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Great white sharks, mako sharks and blue sharks feed on tuna and can themselves be bycatch during their fishing. Fishermen, divers and farm workers are well aware of what is happening at sea, but very few cases of sharks entering cages in the Mediterranean have been officially documented.
Sharks, especially