Salmon farming giant Marine Harvest and parent company Nutreco are being sued for fraud by a U.S. vendor over alleged short-weighted packages of smoked salmon used in warehouse retailer Costco’s private label program.

In a U.S. District Court complaint obtained by IntraFish, Lafjord USA, the small Washington state-based vendor that started the Costco Kirkland Signature smoked salmon program in 1998 and held the contract up until Dec. 2003, accuses Marine Harvest of a long list of charges, including breach of contract, unjust enrichment, fraud and misrepresentation.

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