Mix shrimp, red onion, habanero pepper, cilantro, jalapeno pepper, and garlic in a large bowl; add tomato and clam juice cocktail, lime juice, ketchup, horseradish, and hot pepper sauce and stir. Season mixture with salt. Gently stir avocado into the mixture taking care to not mash the avocado.
Cover bowl with plastic wrap and refrigerate for 2 to 3 hours before serving.
