Open net pens
Bag & rack
Purse seines
Suspended culture
Fisheries
Beach and boat seines
Longlines
Aquaculture
Seine nets encircle and herd fish with a long wall of netting. The catch of unwanted species can be a conservation concern
Raising and harvesting of marine species in controlled environments
Bottom trawl
Large-scale fish hunting, often using invasive techniques
The fish are surrounded by a large wall of net. When floating objects are used, the capture of vulnerable marine life can be a concern.
Fishing line and grapnel with multiple hooks. There's very little bycatch.
