sentences:  Its head is greyish-brown in colour, while its back is darker and its stomach is lighter, often approaching white in hue; it also has a light stripe running along the length of its body on each side.The stripe is typically yellow, though specimens with orange stripes can also be found and are considered to be more attractive.It is often used for decorative purposes; feeding it sources of carotenoids, specifically spirulina or paprika, has been observed to improve the colour definition of its skin and fins.