Rubios Restaurants Inc is a chain of restaurants, based in Carlsbad. They have more then 170 franchised restaurants spread out in California, Colorado, Arizona, Nevada and Utah. These restaurants are famous for serving ethnic Mexican food. The specialty of Rubios Restaurants Inc. is fish tacos, which was first introduced to American by its founder, Mr. Ralph Rubio. This was in the year 1983, when Mr. Ralph Rubio first tasted the fish on a local stand, while on an outing with his friends. He decided to open a restaurant of his own and serve the delicacy in his hometown. Now, with so many restaurants to their credit, Rubios Restaurants Inc. is still maintaining the original taste of fish tacos.