Machher Kalia or Bengali Fish curry recipe or FisKalia recipe is a Bengali delicacy. It mainly cooks with Rahu/Rui fish. Here in Melbourne, we also prepare this dish with freshwater fish like Trout. It also tastes delicious with fish like Mullet, Milkfish, Salmon. The speciality of this recipe is its gravy with yoghurt and lots of aromatic spices.