1. Place the salmon in a pan and cover with the wine. Add the basil and pepper. Bring to the boil; lower heat and simmer for 3-5 minutes.
2. Remove the fish - Add the yoghurt and tomatoes. Stir well, then lower heat and simmer for 10-15 minutes. Meanwhile cook the pasta.
3. Flake the fish into chunks and add the prawns and salmon to the sauce. Coat.
4. Drain the pasta. divide into bowls and top with sauce.