Tuna Catchers are people who use NETS to catch tuna in the ocean. They are usually employed by commercial fishing companies and their job is to cast NETS into the water and haul them back in, bringing with them the tuna they have caught. The NETS used by tuna catchers are typically made of nylon or polyethylene and can be up to several hundred feet long. Tuna Catchers must be skilled in the use of these NETS and must also be aware of the regulations governing the size and type of fish that can be caught.