In a large bowl combine flaked cod, bread crumbs, mayo, dijon, salt, paprika, chives, dill and lemon juice. Using your hands mix the ingredients until thoroughly blended. Form mix into even patties and refrigerate until ready to cook.
Heat oil in a large frying pan over medium high heat. Place patties into the pan and cook for 10-12 minutes or until thoroughly cooked, flipping halfway through. Keep warm until ready to serve.
In a large bowl toss together tomatoes, onion, parsley, scallions, jalapeño and arugula. In a separate bowl whisk together lime juice, honey, olive oil and pepper flakes until blended and smooth. Season vinaigrette to taste with salt.
Drizzle vinaigrette over salad and serve alongside fish cakes.