About two-plus years ago in a grocery store in the Chinatown section of Calgary, a large bucket on the floor against a wall in the seafood section: what looked to be a collection of long-stalked plant life of some type, but oddly repulsive and slightly moving and almost watchful. My husband said, "Those are giant clams." They seemed to have some awareness about them, as if they were aware of their environment and knew they were doomed, but I could have been reading something into what I was seeing. I don't think I would want to try to negotiate a live-animal outdoor market in Asia.
As to insects, chocolate-covered ants were sold many years ago, maybe still are. I know about chocolate-covered ants because, way back when I was an undergraduate (so many years ago) I was offered candy once by someone smiling (a bad sign, in this case

and, after I had finished the crunchy chocolate, was told the reason for the crunch.
Pickle-flavored potato chips? Lay's does them well, and I buy them all the time in regular supermarkets, sometimes two for one. Life is good.