Originally Posted by Lucky Strike
Fish knives are a Victorian invention, stemming from the pathological need of the 19th century bourgeoisie of having specially dedicated cutlery, rooms, clothing etc. for every conceivable purpose. The forks that follow fish knives are generally of the same size and shape as ordinary table forks, although often with somewhat shorter and broader prongs. Fish knives are regarded as very petit-bourgeois in many quarters.