Question: what fast food restaurants have the best fish sandwich?
Answer: Big Fish — Burger King. Via Instagram. ... 
Whatacatch Sandwich — Whataburger. Via Instagram. ... 
Filet-O-Fish — McDonald's. Via Instagram. ... 
Giant Fish Sandwich — Captain D's. Via Instagram. ... 
Popcorn Shrimp Poboy Sandwich — Popeyes. Via Giant Fish Sandwich -- Captain D Instagram.