This type of Betta fish is named so because it has a tail that resembles a crown when reversed facing upwards. This betta fish is native to Indonesia, breeded by breeders in the Slipi area of Jakarta. Types of fish Betta serit has many variants. There is a singular seritnya, where in each serit there is only one fin bone. There is also a scream two or double serit. The beauty of Betta fish has been recognized and competed in the International Betta Congress (IBC).