Mahi-Mahi Skewers with Tapenade and Couscous

Name: Mahi-Mahi Skewers with Tapenade and Couscous
Yield: 4 Servings
Ingredients: 1 cup plain couscous (about 6 ounces); 1 teaspoon coarse kosher salt, divided; 1/3 cup purchased tapenade; 3 tablespoons fresh lemon juice; 1 teaspoon freshly ground black pepper; 1 pound mahi-mahi fillets, cut into 1-inch cubes; 1 cup purchased pico de gallo, drained; Metal skewers