What is a long fishing net called?

There are 3 main types of fishing nets used in the U.S. Gillnets, typically between 150 to 200 fathoms long in Alaska, Purse Seine nets, which vary in length but are generally longer than Gillnets, and mid water and bottom trawls, which also vary greatly, but in the case of mid water Pollock trawls can be very long, and certainly longer than Seines or Gillnets.