Chop crabmeat and lobster meat or shrimp into small dice (Macédoine); sides measuring approximately ¼ inch (6mm). Add to medium size serving bowl. Add chopped celery and chopped cucumber also small dice. Lightly mix. Combine celery salt, white sugar, salt & pepper, seafood spice, dried parsley and paprika in small bowl or measure cup. Distribute over the seafood mix. Fold in mayonnaise a little at a time until desired consistency. Refrigerate for at least 15 minutes or until just prior to serving.