1In a large pot,add 2 quarts of cold water,add shrimp bouillon cube,garlic and onion.Bring to a boil,lower heat to medium,add shrimp,cook 1 minute,remove from heat. Cool shrimp in broth. Remove and peel shrimp.Strain broth.
Sauté onions,bell peppers,tomato until tender,add garlic,cook 1 min. Add to broth,add carrots,potatoes,zucchini, mushrooms and frozen corn,cook 20 minutes or just until potatoes are tender.Add tomato sauce,jalapeño and cilantro. Taste for seasoning.Add fish,crabs and clams,just until clams open.Remove from heat. Garnish each bowl with minced cilantro and a squeeze of lime or lemon.