Is banga Mary fresh water fish?

No, banga mary is not a freshwater fish. It is a species of marine fish found in the Atlantic Ocean, primarily off the coasts of West Africa. It belongs to the family Clupeidae, which includes other species such as sardines and herrings. Banga mary is a small fish, typically reaching a maximum length of about 20 centimeters (8 inches). It is an important species for local fisheries and is prized for its flavorful meat.