Asparagus Ceviche

Name: Asparagus Ceviche
Ingredients: 1 pound asparagus spears, chopped; 1 pound shrimp, cooked and chopped; 1 cup crabmeat, shredded; 1 bunch green onions, chopped; 1/2 cup chopped red onions; 1 1/2 cucumbers, peeled and chopped; 1 avocado, chopped; 1/2 cup cilantro leaves, chopped; 1 cup chopped tomato; 2 cups shredded cabbage; 1 jalapeno pepper, seeded and chopped; 2 lemons, juiced; 3 limes, juiced; 1 1/2 tablespoons garlic salt; Tostada shells, if desired; Hot sauce, optional, for garnish