Though Russia has been portrayed as a key threat in the potential breakdown of the US pollock supply chain, executives watching from afar view the situation as largely temporary -- and not a quick opportunity to steal market share.

An Alaska judge on Tuesday denied a request from two American Seafoods subsidiaries for a temporary restraining order against the US Customs and Border Protection (CBP), a decision that leaves dozens of companies facing roughly $400 million (€297 million) in fines, and millions of pounds of pollock stranded across the supply chain.