In a large bowl, beat the eggs. Add the shrimp, haddock, pancake mix, cornmeal, parsley, celery salt, mustard and paprika; mix well. Shape into 8 patties. Coat with bread crumbs., In a large cast-iron or other heavy skillet, cook patties in oil over medium-high heat until golden brown, 2 minutes on each side. If desired, serve on buns with lettuce, tomato and onion.