American Ceviche

Name: American Ceviche
Ingredients: 1 (16 ounce) package cooked medium shrimp, peeled and deveined; 2 (8 ounce) packages imitation crabmeat, cut into 1-inch pieces; 5 tomatoes, diced; 3 avocados, peeled and diced; 1 English cucumber, peeled and cut into bite-size pieces; 1 red onion, diced; 1 bunch cilantro, chopped, or more to taste; 4 limes, juiced; 2 jalapeno peppers, seeded and finely diced; 2 cloves garlic, pressed; 1 (64 ounce) bottle tomato and clam juice cocktail; salt and ground black pepper to taste