When it ended a 27-year-old union, Brexit was sure to come with growing pains.However, many in the Scottish fishing industry are wondering if what they're feeling is more akin to death throes.The Scottish fishing industry has relied on seamless next-day transport of seafood to the European mainland.But shipping Scottish seafood has suddenly become slower and more expensive.Due to new paperwork and customs declarations, one-day deliveries are reportedly taking three days or more.In a very short time, we could see the destruction of a centuries-old market which contributes significantly to the Scottish economy, Donna Fordyce,Seafood Scotland.Whether this turns out to be true now depends on the actions of exporters and regulators in the coming weeks