Wash and dry fish; set aside. Preheat oven to 375F. In a large bowl, mix crab meat, onions, celery, breadcrumbs, eggs and seasonings. Rub fish with lemon juice and stuff mixture in cavity of fish; if any is left over place around fish in pan. Bake for 1 to 1-1/2 hours. Allow to cool five minutes before serving.
Serves 4.