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Best Five Beautiful Freshwater Fishes in the World

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Fishes are always one of the most interesting species in the world because of their colorful patterns and beautiful fins. The fish need a range of  physiological  adaptations, to survive in fresh water. Only   41.24% species of  fish  are found in freshwater. There is the  physiological difference between freshwater and saltwater fish.  Their  gills  must be able to diffuse dissolved gasses while keeping the salts in the body fluids inside. If freshwater fish lost too many scales, will die. There are number of species of colorful fishes in the world as listed below: 1. Discus – Symphysodon , colloquially known as   discus,   these fish are a genus of Cichlids, which are native to Amazon River basin. This is among the most colorful fishes in the world. Their brain pattern marking and colors range from reds, creams and brilliant shades of bright blue make them more attractive as compare to others. They come in a single color as well as in pure white color. There are many n