Heat grill to high. Grease a baking tray, then sit the salmon, flesh-side up, on the tray. Grill for 5 mins, until the salmon is cooked through and the edges are starting to blacken. While the salmon is cooking, gently mix all the salsa ingredients together with the roughly chopped coriander. When the fish is cooked, serve with the salsa, some rice and the coriander sprigs.