Preheat oven. Coarsely grate the zucchini and carrots. Mix the vegetable grated with the oil, crème fraîche, breadcrumbs and season well with curry and pepper. Place the fish fillets in a greased dish and drizzle with lemon juice. Cover with the vegetable mixture and bake at 180 ° for 20 minutes. If it turns too brown, cover with aluminum foil.