Not all vessels bother to try to release the trapped dolphins from the tuna nets, especially if there is no observer on board.
He was snarled in tax troubles like a dolphin caught in a tuna net.
While working for Greenpeace cutting dolphins out of tuna nets, she is herself swept up and canned in spring light water.
One example of bycatch is dolphins caught in tuna nets.
"Something about Ibn tossing me overboard in a tuna net?"
There is the biologist whose film of dolphins drowning in tuna nets prompted a former fashion model to protest their deaths.
Because they must breathe at the surface, dolphins drown when trapped in tuna nets and held under water.
But commission reports show the two countries had the largest fleets that set tuna nets on dolphins in the eastern Pacific last year.
Tens of thousands of dolphins a year become tangled in tuna nets.
By comparison, 20,500 dolphins are allowed to be incidentally killed in tuna nets each year by the American fishing fleet.