Louhan fish or known by the scientific name Flowerhorn is a type of freshwater ornamental fish that is much favored by fish lovers. This fish is very unique with a characteristic lump on its head which is often referred to as jenong or nong-nong head. This distinctive feature turns out to have another difference that distinguishes louhan one from other louhan, for that I want to present images and types of louhan fish in this world to be your reference in choosing them.