Piranhas can be different color based on the species. Most piranhas are black with an orange chest.
Yes they come in many different colors.
your eye appreciates dark colors
Red and yellow. That is why McDonalds and In-n-Out are these colors, to draw your eye.
it has so many colors , and so beautiful , but it is so dangerous for us . keep away from them
It is not wrong for a dog to have two eye colors It just their way of life
You have different pigments in the eye.
Yes! It can have many designs and colors!
As long as piranhas get.
brown
Iris
the lenses that are in your eye it depends on the colors inside your eyelense. some can see color depending on the lense and aome are color blind by the tthicker lense in your eye.