Steamed Fish Teochew Style

Name: Steamed Fish Teochew Style
Ingredients: 1 medium whole fish (such as seabass/white pompret/garoupa) – i ask the fishmonger to clean it for me; 1 inch ginger – thinly sliced strips; 1-2 medium tomato – cut to small wedges; 2 dry shiitake mushrooms – soaked in water & sliced thinly; 80g salted vegetables – sliced thinly about 1cm; 2 salted plums (optional); 1 tablespoon light soy sauce; 2 tablespoon water (adjust according to your preference); Spring onions (scallions) – sliced thinly to wispy strips to garnish