Singi Fish, scientifically known as Heteropneustes Fossilis, is a freshwater catfish species that belongs to the family Heteropneustidae. This has a distinctive elongated body, typically reaching lengths of around 30 to 40 centimeters, although some individuals can grow even larger. Its body is cylindrical and covered with smooth and slimy skin, which is usually dark brown or grayish-brown in color, providing effective camouflage in its natural habitat. Singi Fish has a pair of long barbels or whiskers around its mouth, aiding in locating food in murky waters.