Heat oil in large stockpot. Sauté celery, green pepper, onion, and
garlic. Add beef broth, tomatoes, okra, thyme, bay leaf, cayenne
pepper, oregano, and salt. Cover and simmer 30 minutes. Add catfish and
continue simmering 15 minutes or until catfish flakes easily. Remove
bay leaf. Serve over cooked rice, if desired.