1 cup peeled and deveined cooked shrimp (31-40 per pound)
2 green onions, chopped
Cook macaroni according to package directions; drain and rinse with cold water. Cool completely.
For dressing, in a small bowl, combine mayonnaise, mustard, sugar, seafood seasoning, garlic powder, salt and pepper. In a large bowl, combine crabmeat, shrimp, cucumber and macaroni. Add dressing; gently toss to coat. Refrigerate until serving.