Almond Crab Casserole

1 cup crabmeat
1 cup shrimp
1-1/4 cup onion, minced
2 cans mushroom soup
1 cup celery, sliced
½ can pimiento, chopped
½ green pepper, diced
1 can sliced water chestnuts
1 (3 oz.) can Chinese noodles
Sliced Almonds

Preheat oven to 375 degrees. Mix all ingredients together; put sliced almonds over top. Bake for 25 minutes. Serves 6 to 8.