Have been playing around with various numis concoctions. Tried Lemon juce, lime juice both with onion and chilli. But tried a Thai type marinade/sauce I make for cooked fish or beef salad, and it comes up ace.
Lime juice, Fish sauce, palm sugar or brown sugar, sliced red onion, chilli, garlic. Marinate slices of Spotted trev or queenfish in it, garnish with some coriander and eat with bread and a cold beer.