Spicy Orange Shrimp Seviche

Name: Spicy Orange Shrimp Seviche
Ingredients: 1 pound large shrimp; 1/2 cup ketchup; 3/4 cup fresh orange juice; 1/4 cup fresh lime juice; 3 tablespoons fresh lemon juice; 2 large garlic cloves, minced; 1 jalapeño, seeded and thinly sliced; 1/2 teaspoon dried oregano, crumbled; 1/2 teaspoon freshly ground pepper; Large pinch of ground cumin; Small pinch of ground cinnamon; Small pinch of ground cloves; Salt; Hot sauce; 1 medium red onion, thinly sliced; 1 medium tomato, seeded and cut into 1/2-inch dice; 1/2 cup chopped cilantro, plus leaves for garnish; 1 Belgian endive, spears separated