Help with identify method of preserv fish

Joined Oct 31, 2012
Where did you find these pictures? These look more like fish? that has been coated in a liquid of some kind for presentation more than preservation. 
Joined Dec 26, 2015
certainly a fish. from a documentary in a village from greece that is next to a lake. Narrator visit a tavern that was serving fish and only fish. Think is preservative cause guy was putting some kind of effort to slice. Plus it was slice and serve, nothing between
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