Cook pasta according to package directions.
Dice the onion and fennel bulb.
In a dutch oven, heat oil over medium heat.
Saute onions, fennel, garlic, bay leaves, and salt until soft.
Add tomatoes, wine, tomato paste, paprika, italian seasoning, and hot pepper flakes.
Cover and simmer over medium heat, stirring occasionally, for about 15 minutes.
Meanwhile, shell and clean the shrimp and mussels.
Add to the pan, stirring to coat.
Cover and cook, stirring occasionally, until mussels open and shrimp turn pink, 7-10 minutes.
Discard bay leave and any mussels that do not open.
Serve topped with mussel mixture, sprinkle with minced parsley.