Scottish fishing communities can expect more hardship this autumn when Iceland increases its cod quota and floods the market, pushing down the price of fish, industry leaders have warned. With the fishing industry in the midst of a so-called “mackerel war” that has seen Icelandic fishermen compared to marauding Vikings over foreign fish landings, Scots fishermen are bracing themselves for more difficulties when Iceland increases its cod quota by 10,000 tonnes to 160,000 tonnes.