Canned Sardine, Tuna or Salmon Canape'

making a canape' or a sandwich.

6 oz. sardines,
1/2 tsp. lemon juice,
2 tsp. minced leafy parsley,
1/2 T. onion,
1 T. celery,
1 T. carrots,
1 T. minced cucumber,
1/3 tsp. salt,
1/2 tsp. sriracha hot chili sauce. pickle and tomato garni