If you are using rice, cook it per the directions on the package.
If couscous, place it in a bowl, cover with boiling water and stand.
Sauté the onion in some spray oil in a pan over a low heat until golden.
Stir in the haddock, parsley and lemon juice.
Heat gently.
Fluff the rice or couscous.
Chop the eggs.
Add the rice or couscous, eggs and shrimp to the pan (add a pinch of curry powder if desired).
Heat through gently.
If it is too dry, add a few tablespoons of natural yogurt.
Season and serve garnished with parsley.