Smoked Fish Chowder

Name: Smoked Fish Chowder
Ingredients: Two 8-ounce bottles clam juice; 1/2 pound smoked trout fillets, skinned and flaked; 1 cup fresh or frozen corn kernels; 1 cup heavy cream; 2 tablespoons minced flat-leaf parsley; Salt and freshly ground pepper; 2 tablespoons unsalted butter; 1 large onion, finely chopped; 2 celery ribs, thinly sliced; 3/4 pound red-skinned potatoes, cut into 3/4-inch chunks; 1/4 teaspoon dried thyme