Likewise, commercial fishing frequently depends on gill nets – walls of fine netting in which fish become snared, often by the gills. They may suffocate in the net, because, with their gills constricted, they cannot breathe.
同样，商业捕鱼经常使用刺网——就是一张的可以卡住鱼鳃的大网。网中的鱼常常会窒息，因为鱼鳃无法开合。这些鱼也会被卡住很长时间，直到收网。