Until 20 years ago, chilean sea bass was know as Patagonian toothfish, and fisherman couldn't even give it away...they would shovel it over the side off the fishing boats...now..with the name change, it's $9-10/lb at your local fish store..
Chinese gooseberries failed to excite produce buyers when they were introduced in the US during the 1960's, But sales took off when they were renamed kiwi fruit.