Purse seine Fishing boats use purse seine nets to capture entire schools of tuna. Dolphins feeding on the same fish can get trapped in the nets and suffocate. Despite public awareness of the problem, purse seine nets are still widely used around the world.
Pelagic trawl
EASTERN TROPICAL PACIFIC OCEAN
Pulling a large net through the water behind a boat to catch schooling fish, such as anchovy and herring, pelagic trawls pose a threat to many dolphin and whale species. Dolphins and whales sometimes swim into the nets to feed on the catch and become trapped and drown.
ATLANTIC OCEAN
Pilot whale (Atlantic Ocean) Common dolphin (Atlantic Ocean)
Common dolphin (North Pacific Ocean)
Less than
10%
of entanglements are reported
More than
1,400
harbour porpoises died in UK fishing nets in 2014
Autumn 2015 WHALE&DOLPHIN 19