Cook the frozen beans in salted water for about 8 minutes. Clean and wash sugar snap peas, add after 6 minutes. Mix vinegar, mustard, salt, pepper and 4 tablespoons of oil. Drain vegetables, quench, drain and mix with the vinaigrette. Sort the arugula, wash and shake dry.
Roast the almonds in a large pan without fat, take them out. Rinse fish, pat dry, season with salt and pepper. Turn in flour, shake off excess flour. Heat 2 tablespoons of oil in the pan. Fry the fish for about 2 minutes on each side. Fold rocket salad into the beans. Arrange salad and fish, sprinkle with almonds.