Popeye's Cajun Flounder Sandwich

tomwaits said

From the article:
Also Known As
Flounder, Arrowtooth halibut, Turbot, Paltus

Seems like they call a fish whatever they want these days.

Click to expand...

Lots of fish have multiple/different names. Flounder is a family of fish, so different flatfish with different names are actually still flounder. There are over 300 species of grouper, for example, but if its on a menu, it's just called grouper.