The Union Oyster House is among several restaurants that blame North Coast, one of the regions biggest seafood suppliers, for promising one kind of fish but delivering another.
DNA testing found that these restaurants mislabeled fish in 2011 and 2012.
US Representative and Senate candidate Ed Markey Wednesday introduced a new version of bill to combat seafood fraud by tracking fish from a boat to a diners plate.
Massachusetts would levy fines on supermarkets and restaurants that mislabel seafood and become the first state in the nation to ban the sale of escolar.
A survey of 43 seafood samples from supermarkets across Massachusetts showed about 1 in 5 glazed with ice weighed less than the net weight stated on the label, which is supposed to exclude packaging and glaze.
State officials say they will improve oversight of seafood sales in Massachusetts after the results of a Globe investigation published this week.
The rampant mislabeling of fish that consumers buy can be largely traced to this: the lack of anything like the regulations imposed on meat suppliers.
A Globe investigation found fish bought at restaurants across the region was mislabeled about half the time. Sometimes it was innocent error, but often the switch was deliberate, driven by profits.
The story of how hake ended up as cod on the menu at 94 Bertucci’s restaurants is not unusual.